New here? See how every recipe is checked against the top-ranked sources for cut, pot size and both timings.

10 Crockpot Casserole Recipes for Dinner

Iren Pavlenko By Iren Pavlenko17 Aug 202615 min readCrockpot Casserole RecipesLast updated: 8 Nov 20260

A casserole in the crockpot can go two ways. It comes out in firm, cheesy layers you can scoop, or it turns watery on top and mushy underneath. The recipe matters less than the base under it: raw potatoes, tater tots, cooked rice, or meat that is already done. Each needs different hours on low, and each needs the cheese, pasta, and crunch added at a different point.

Below are 10 crockpot casserole recipes for dinner, from ground beef to chicken to one healthy pick, each with its hours on LOW and HIGH and a full recipe card. They sit next to our easy crockpot dinners and cheap dinners for a family.

Quick answer

Cook a crockpot casserole 4 to 6 hours on LOW, put the densest layer on the bottom, and add cheese only in the last 15 to 30 minutes.

Most crockpot casseroles cook 4–6 hours on LOW or 2–4 hours on HIGH. Raw sliced potatoes take the longest, up to 8 hours on LOW; casseroles built on cooked meat and vegetables are done in 2–3. Do not stir, and keep the lid closed.

What is a crockpot casserole?

A crockpot casserole is a layered dinner cooked slowly in a slow cooker instead of baked in a 9×13 dish: meat, a starch, vegetables, and a sauce, left alone until the slowest layer is tender. It differs from a stew because it is layered and scooped out holding its shape.

The recipes below fit a 6-quart slow cooker and feed six. Each one names its base, because the base decides the hours.

Pick the right casserole in one minute

PreviewIdeaBest forHands-on timeAvoid ifGet it
Crockpot Cowboy Casserole1. Crockpot Cowboy CasseroleA first casserole, with potatoes6–7 h / 3–4 hYou start the pot lateJump to recipe
Crockpot Taco Casserole2. Crockpot Taco CasseroleA dump and go night4 h / use LOWYou cannot drain the cansJump to recipe
John Wayne Casserole (Crockpot Tater Tot Casserole)3. John Wayne Casserole (Crockpot Tater Tot Casserole)Kids and tater tot fans4½ h / use LOWYou want a crisp top without a broilerJump to recipe
Crockpot Pizza Casserole4. Crockpot Pizza CasseroleA picky table2–3 h / use LOWYou cannot cook pasta separatelyJump to recipe
Crockpot Chicken Enchilada Casserole5. Crockpot Chicken Enchilada CasseroleRotisserie chicken leftovers4 h / use LOWYou only have flour tortillasJump to recipe
Chicken and Stuffing Casserole6. Chicken and Stuffing CasseroleA full workday away6–8 h / 3–4 hYou are gone more than 8 hoursJump to recipe
Chicken, Broccoli and Rice Casserole7. Chicken, Broccoli and Rice CasseroleChicken and vegetables in one pot5–6 h / use LOWYou only have raw riceJump to recipe
Chicken Noodle Casserole8. Chicken Noodle CasseroleComfort food with noodles6–7 h LOW + 30 min HIGHYou want to start the noodles earlyJump to recipe
Stuffed Pepper Casserole9. Stuffed Pepper CasseroleA lighter, high-protein dinner4 h / use LOWYou want a creamy sauceJump to recipe
Healthy Chicken Zucchini Casserole10. Healthy Chicken Zucchini CasseroleA healthy, soup-free dinner3 h + 30 minYou want a rich creamy sauceJump to recipe

For a first casserole, make the cowboy (1). A late start with no chopping, the taco (2). Leaving for a full workday, the stuffing casserole (6).

How long does a casserole take in a crockpot?

A slow cooker casserole takes as long as its slowest layer. Cheese melts in minutes and browned beef is already safe to eat, but a raw potato slice needs hours of steady heat before a knife goes through it.

  • Cooked meat and vegetables: 2–3 h; 1.5–2 h; Pizza, King Ranch, stuffed pepper.
  • Frozen hash browns or tots: 4–5 h; 2–3 h; Taco, John Wayne, hashbrown hamburger.
  • Raw potatoes or raw rice: 4–6 h, up to 8 for thick root vegetables; 3–4 h; Cowboy, chicken and rice.
  • Raw chicken: 6–8 h; 3–4 h; Stuffing, noodle.
  • Eggs (breakfast casseroles): 4–6 h; 2–3 h; Until the center is set.

The Base Method: Layer It, Do Not Stir It

Every recipe here follows the same moves. They keep the bottom from scorching, the top from going watery, and the pasta from turning to paste.

A crockpot casserole is done when its slowest layer is done. Build it so the slowest layer sits on the bottom, and keep everything that cooks in minutes for the end.

1. Grease the insert

Cheese and potatoes stick to a bare stoneware insert and burn at the edges on a long cook. Spray it with cooking spray, rub it with butter, or use a slow cooker liner.

2. Brown the beef and drain it

Ground beef browned in a skillet adds flavor, and draining the fat keeps a greasy layer off the top of the casserole. This is the one pan you wash for most of these ground beef casserole recipes for dinner.

3. Densest layer on the bottom

Raw potatoes and onions go on the bottom, where the heat comes from and where the liquid collects. Meat sits over them, sauce goes on top.

Layers of a crockpot casserole in cross section: thin potatoes on the bottom, ground beef and corn, sauce on topPin it
Thin potatoes on the bottom, meat and corn next, sauce on top — the order most crockpot casseroles follow.

4. Do not stir

Once the layers are in, leave them. Stirring breaks the potatoes, mixes raw layers into cooked ones, and turns a casserole into a stew.

5. Add only the liquid the recipe calls for

A slow cooker loses very little moisture: the steam hits the lid and drips back in. That is why condensed soups carry most of these sauces.

7. Pasta and rice go in cooked, or late

Dry pasta and raw rice left in for hours soak up the sauce and fall apart. Cook them separately, a few minutes short of done, and stir them in at the end.

8. Cheese and dairy go in last

Add cheese, sour cream, and cream cheese in the final 15–30 minutes. Added at the start, dairy separates and scorches on the edges.

Hand scattering shredded cheddar over a finished casserole in an open crockpotPin it
Cheese goes on at the very end, not at the start — it melts in the last 5–10 minutes with the lid back on.

1. Crockpot Cowboy Casserole

The crockpot cowboy casserole is the one people search for most right now, and it is the best first casserole to make: ground beef, potatoes, corn, and cheese from one pot. It is also the one that fails most often, always for the same reason.

The creamy soup and sour cream go over the top as a lid of sauce. Do not stir them in.

Crockpot Cowboy Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

20

minutes
Cooking time

6

hours 

Thin potatoes on the bottom, seasoned ground beef, corn, and a creamy sauce, with cheddar melted on at the end.

Ingredients

  • 1 lb ground beef

  • 1 small onion, diced

  • 1½ lb russet or baby red potatoes, sliced ⅛ inch thin

  • 1 cup frozen corn

  • 1 can (10.5 oz) condensed cream of chicken soup

  • ½ cup sour cream

  • 1 tsp garlic powder

  • 1 tsp smoked paprika

  • salt and pepper

  • 1½ cups shredded cheddar

  • Cooking spray for the insert

  • Salt and black pepper to taste

  • Chopped fresh parsley to finish

  • Pickled red onions to serve

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Spray the crock pot insert.
  • Brown the beef with the onion in a skillet and drain the fat.
  • Lay the potato slices over the bottom in overlapping layers and season them.
  • Spread the beef and corn over the potatoes.
  • Stir the soup, sour cream, and spices together and spread over the top. Do not stir.
  • Cook 6–7 hours on LOW or 3–4 hours on HIGH, until a knife slides through the potatoes.
  • Scatter the cheddar on top, cover, and let it melt 5–10 minutes.
  • Test a potato slice with a knife; if it resists, give it another 30 minutes on HIGH with the lid closed.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    Thick potato slices stay hard. Use a mandoline or a sharp knife and keep them at ⅛ inch.

Syntus slow cooker liners

Syntus slow cooker liners

Keeps cheese and potatoes from sticking to the stoneware and makes cleanup a one-minute job.

View on Amazon

Urbanstrive box grater with container

Urbanstrive box grater with container

Grates the cheddar for the last 10 minutes straight into a catch container.

View on Amazon

NETANY glass containers with lids

NETANY glass containers with lids

Shallow glass containers that cool leftover casserole fast and go in the microwave.

View on Amazon

2. Crockpot Taco Casserole

The crockpot taco casserole is the true dump and go recipe of the set. Frozen hash browns go in straight from the bag, there is no chopping, and it is done in 4 hours on LOW.

The one thing that ruins it is liquid. Drain the Rotel and rinse the beans, or the bottom of the pot turns to soup.

Variation: cheesy hashbrown hamburger. Swap the taco seasoning for garlic powder, use diced hash browns, and mix the cheese in two halves: half in a sour cream and soup sauce, half on top at the end. Diced frozen potatoes hold their shape better than shredded over 5 hours, so it cooks 5 hours on LOW or 2½–3 on HIGH and forgives an extra hour on warm. Serve it with steamed green beans. For more potato dishes, see these crockpot potatoes.

A cheesy hashbrown hamburger casserole scooped from a crockpotPin it
The hashbrown hamburger variation: diced hash browns, browned beef and a split portion of cheese.

Crockpot Taco Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

15

minutes
Cooking time

4

hours 

Frozen hash browns under taco-seasoned beef, Rotel, and cheese sauce: the fastest dump and go casserole here.

Ingredients

  • 1 lb ground beef

  • 1 packet taco seasoning

  • 1 bag (30 oz) frozen shredded hash browns

  • 1 can (10 oz) Rotel diced tomatoes and green chiles, drained

  • 1 can (15 oz) black beans, drained and rinsed

  • 1 can (10.5 oz) condensed cheddar cheese soup

  • ½ cup milk

  • 1 cup shredded Mexican-blend cheese

  • Sour cream, sliced green onion, and crushed tortilla chips to serve

  • Salt to taste, only after tasting

  • Chopped fresh cilantro to finish

  • Lime wedges to serve

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Brown the beef, drain the fat, and stir in the taco seasoning.
  • Spread the hash browns over the bottom of the greased insert.
  • Layer the beef, beans, and drained Rotel on top.
  • Whisk the cheese soup with the milk and pour it over. Do not stir.
  • Cook 4 hours on LOW.
  • Top with the cheese, cover 10 minutes, and serve with the chips, sour cream, and green onion.
  • Check that the hash browns at the edge are soft and the sauce is bubbling, not watery.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    Drain the Rotel and the beans. Their liquid is what makes a taco casserole watery.

3. John Wayne Casserole (Crockpot Tater Tot Casserole)

This is the crockpot tater tot casserole most people grew up with: seasoned beef with peppers and onions, a creamy layer, and a roof of tater tots. The tots go on frozen and in one flat layer, so they cook through without breaking.

The tots will not crisp under a lid; steam is the whole point of a slow cooker. The fix is a second round of cheese at the end with the lid off, or a few minutes under the broiler if your insert is oven-safe.

John Wayne Casserole (Crockpot Tater Tot Casserole)

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

20

minutes
Cooking time

4

hours 

30

minutes

Seasoned beef, peppers, and onion under a layer of tater tots, with a second round of cheese at the end.

Ingredients

  • 1½ lb ground beef

  • 1 onion and 1 green bell pepper, diced

  • 1 packet taco seasoning

  • 1 can (10 oz) Rotel, drained

  • 1 can (10.5 oz) condensed cream of mushroom soup

  • ½ cup sour cream

  • 2 cups shredded cheddar, divided

  • 1 bag (32 oz) frozen tater tots

  • Salt and black pepper to taste

  • Pickled jalapeño slices to serve

  • Chopped fresh parsley to finish

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Brown the beef with the onion and pepper, drain, and stir in the seasoning and Rotel.
  • Spread the beef in the greased insert.
  • Mix the soup and sour cream, spread it over the beef, and scatter 1 cup of cheese on top.
  • Arrange the frozen tater tots over everything in one layer.
  • Cook 4½ hours on LOW.
  • Top with the remaining cheese and cook uncovered 10–15 minutes.
  • Check that the tots are hot all the way through and the beef layer is bubbling at the edges.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    The tots soften under the lid. For a crisp top, finish the insert under the broiler for 3 minutes if it is oven-safe.

4. Crockpot Pizza Casserole

A crockpot pizza casserole is where the pasta rule matters most. Dry pasta left in marinara for hours drinks the sauce and turns to paste, and the top layer dries into hard edges.

Kids pick this one. Swap the sausage for ground beef or leave it meatless with mushrooms and olives. Serve with: garlic bread and a green salad. More pasta dishes are in these crockpot pasta recipes.

Crockpot Pizza Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

20

minutes
Cooking time

3

hours 

Pasta, sausage, pepperoni, and marinara with mozzarella on top; the pasta goes in cooked so it does not turn to paste.

Ingredients

  • 12 oz rigatoni or penne, cooked 3 minutes less than the package says

  • 1 lb Italian sausage, browned and drained

  • 1 jar (24 oz) marinara

  • 1 cup pepperoni slices

  • 1 green bell pepper and ½ onion, diced

  • 1 tsp Italian seasoning

  • 2 cups shredded mozzarella

  • Salt and black pepper to taste

  • Fresh basil leaves to finish

  • Red pepper flakes to serve

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Brown the sausage with the pepper and onion and drain.
  • Stir the sausage, marinara, half the pepperoni, and the seasoning together in the insert.
  • Cook 2–3 hours on LOW.
  • Fold in the drained pasta.
  • Top with the mozzarella and the rest of the pepperoni and cook 15–20 minutes, until the cheese melts.
  • Check that the cheese has melted into a blanket and the pasta is tender but still holds its shape.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    Undercook the pasta. It keeps soaking up sauce in the pot.

5. Crockpot Chicken Enchilada Casserole

The crockpot chicken enchilada casserole layers corn tortillas like lasagna noodles, so there is no rolling. It starts with sauce on the bottom so the first tortilla layer does not stick and scorch.

Use leftover or rotisserie chicken. The cheese here goes inside the layers, where sauce covers it, plus a last handful on top. Serve with: rice, avocado, and lime wedges.

Variation: King Ranch chicken. Use two creamy soups, a can of drained Rotel, chili powder and cumin in place of the enchilada sauce, and layer the tortillas torn rather than quartered. Soften the onion and pepper in a skillet first, because raw they release water and stay sharp.

A King Ranch chicken casserole with melted cheddar in a crockpotPin it
The King Ranch variation: tortillas, chicken and two creamy soups, finished with cheddar.

Crockpot Chicken Enchilada Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

20

minutes
Cooking time

4

hours 

Corn tortillas layered with shredded chicken, beans, and red enchilada sauce, lasagna style.

Ingredients

  • 2 cups cooked shredded chicken

  • 1 can (19 oz) red enchilada sauce

  • 10 corn tortillas, quartered

  • 1 can (15 oz) black beans, drained and rinsed

  • 1 cup frozen corn

  • 1 can (4 oz) diced green chiles

  • 2 cups shredded Monterey Jack, divided

  • ½ cup sour cream

  • Salt to taste

  • Sliced avocado to serve

  • Lime wedges and chopped cilantro to finish

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Spoon a thin layer of sauce over the bottom of the greased insert.
  • Layer a third of the tortillas, then chicken, beans, corn, chiles, sauce, and a handful of cheese.
  • Repeat twice, ending with tortillas and sauce.
  • Cook 4 hours on LOW.
  • Top with the remaining cheese, cover 10 minutes, and serve with sour cream.
  • Check that the sauce has soaked into the tortillas and the edges are bubbling.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    Corn tortillas hold together; flour tortillas go gummy.

6. Chicken and Stuffing Casserole

Of the chicken casserole recipes for dinner here, this is the one with the longest window: 6–8 hours on LOW, which fits a full workday. Raw chicken breasts go on the bottom, covered by a creamy sauce, and the stuffing mix goes on top, moistened with broth and butter.

Chicken breast is lean, so it dries out once it passes 165°F. Check it at the short end of the time, and use thighs if you know you will be gone longer.

Chicken and Stuffing Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

10

minutes
Cooking time

7

hours 

Chicken breasts under a creamy sauce and boxed stuffing mix, with green beans on the side of the pot.

Ingredients

  • 1½ lb boneless skinless chicken breasts

  • 1 can (10.5 oz) condensed cream of chicken soup

  • ½ cup sour cream

  • 1 box (6 oz) chicken stuffing mix

  • ½ cup chicken broth

  • 4 tbsp butter, melted

  • 2 cups frozen green beans (optional)

  • Salt and black pepper to taste

  • Whole-berry cranberry sauce to serve

  • Fresh thyme leaves to finish

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Lay the chicken in the greased insert and scatter the green beans around it.
  • Mix the soup and sour cream and spread it over the chicken.
  • Toss the stuffing mix with the broth and butter and spoon it over the top.
  • Cook 6–8 hours on LOW or 3–4 hours on HIGH, until the chicken reads 165°F.
  • Leave it uncovered for the last 15 minutes to dry the stuffing a little.
  • Check the thickest piece of chicken with a thermometer; it should read 165°F and no more.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    Chicken breasts dry out past 165°F. Check at the short end of the time.

7. Chicken, Broccoli and Rice Casserole

Potatoes and onion go on the bottom, chicken on top of them, and the sauce over everything. The rice is already cooked and goes in at the end with the broccoli, which is why this casserole does not turn to mush.

Thighs stay juicy through 6 hours. Broccoli added at the start would turn olive green and soft; for the last 30 minutes it stays bright. Serve with: warm rolls. More ideas are in these chicken crockpot recipes.

Chicken, Broccoli and Rice Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

15

minutes
Cooking time

5

hours 

30

minutes

Chicken and onion on a bed of potatoes and broccoli with cooked rice and cheddar stirred in at the end.

Ingredients

  • 1½ lb boneless skinless chicken thighs

  • 1 onion, diced

  • 1 lb baby potatoes, halved

  • 1 can (10.5 oz) condensed cream of chicken soup

  • ½ cup chicken broth

  • 3 cups broccoli florets

  • 2 cups cooked rice

  • 1½ cups shredded cheddar

  • Salt and black pepper to taste

  • Chopped fresh parsley to finish

  • Warm dinner rolls to serve

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Layer the potatoes and onion on the bottom of the greased insert.
  • Set the chicken on top and pour the soup whisked with the broth over it.
  • Cook 5–6 hours on LOW.
  • Shred the chicken, add the broccoli and rice, and cook 30 minutes more.
  • Stir in the cheddar until it melts.
  • Check that the potatoes are fork tender and the broccoli is still bright green.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    Broccoli added at the start turns olive green and soft. It goes in with the rice.

8. Chicken Noodle Casserole

This is the one recipe where uncooked pasta belongs in the pot. The chicken cooks in the sauce and broth on LOW.

Egg noodles cook faster than dried pasta shapes. If you swap in penne, cook it separately and stir it in at the end.

Chicken Noodle Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

10

minutes
Cooking time

7

hours 

Chicken in a creamy sauce cooked on LOW, with egg noodles added dry for the last half hour on HIGH.

Ingredients

  • 1½ lb boneless skinless chicken thighs

  • 1 can (10.5 oz) condensed cream of chicken soup

  • 2 cups chicken broth

  • 1 cup frozen peas and carrots

  • ½ tsp thyme, salt and pepper

  • 8 oz wide egg noodles, uncooked

  • ½ cup sour cream

  • ½ cup shredded parmesan

  • Salt and black pepper to taste

  • Chopped fresh parsley to finish

  • Fresh green salad to serve

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Put the chicken, soup, broth, and seasoning in the insert.
  • Cook 6–7 hours on LOW.
  • Shred the chicken in the pot and switch to HIGH.
  • Stir in the dry noodles and the peas and carrots and cook 30 minutes, until the noodles are tender.
  • Stir in the sour cream and parmesan and serve.
  • Bite a noodle to confirm it is tender; if not, give it 5 more minutes on HIGH.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    This is the one recipe where the noodles go in uncooked. The broth is measured for them.

9. Stuffed Pepper Casserole

Everything from a stuffed pepper, without hollowing and filling a single one. Chopped peppers cook down with lean beef and tomatoes, and the cooked rice goes in at the end.

Leave the tomatoes undrained here. The rice absorbs that liquid in the last 15 minutes. Serve with: crusty bread. For more lighter dinners, see these healthy crockpot recipes.

Stuffed Pepper Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

15

minutes
Cooking time

4

hours 

30

minutes

Everything from a stuffed pepper without the stuffing: beef, chopped peppers, tomatoes, and rice stirred in at the end.

Ingredients

  • 1 lb lean ground beef

  • 1 onion, diced

  • 3 bell peppers, chopped

  • 1 can (14.5 oz) diced tomatoes, undrained

  • 1 can (8 oz) tomato sauce

  • 1 tsp Italian seasoning

  • salt and pepper

  • 2 cups cooked rice

  • 1 cup shredded mozzarella

  • Salt and black pepper to taste

  • Chopped fresh basil to finish

  • Crusty bread to serve

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Brown the beef with the onion and drain.
  • Put the beef, peppers, tomatoes, sauce, and seasoning in the insert.
  • Cook 4 hours on LOW.
  • Stir in the rice, top with the mozzarella, and cook 15 minutes more.
  • Check that the peppers are soft and the rice has absorbed the tomato liquid.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    Lean beef and no cream soup make this the high-protein pick. Use cooked brown rice for more fiber.

10. Healthy Chicken Zucchini Casserole

One of the healthy casserole recipes for dinner that does not lean on canned soup or pasta: chicken, tomatoes, garlic, and zucchini with a little cheese. Zucchini is mostly water.

It is also gluten-free as written. Leave the lid off for the last 10 minutes to let some steam out. Serve with: quinoa, brown rice, or a big salad.

Healthy Chicken Zucchini Casserole

Recipe by Iren Pavlenko
0.0 from 0 votes
Course: Main CourseDifficulty: Easy
Servings

6

servings
Prep time

15

minutes
Cooking time

3

hours 

30

minutes

Chicken, zucchini, tomatoes, and a little parmesan, with no canned soup and no pasta.

Ingredients

  • 1½ lb boneless skinless chicken breasts, cut into 1-inch pieces

  • 3 medium zucchini, cut in half moons

  • 1 can (14.5 oz) diced tomatoes, drained

  • 1 onion, sliced

  • 3 cloves garlic, minced

  • 1 tsp Italian seasoning

  • salt and pepper

  • ½ cup shredded mozzarella

  • ¼ cup grated parmesan

  • Salt and black pepper to taste

  • Fresh basil leaves to finish

  • Cooked quinoa or brown rice to serve

Directions

  • Gather and measure everything before you start, so nothing waits on the counter.
  • Layer the onion and chicken on the bottom of the greased insert and season.
  • Spread the drained tomatoes and garlic over the chicken.
  • Cook 3 hours on LOW.
  • Add the zucchini on top and cook 30 minutes more.
  • Sprinkle the cheeses over, leave the lid off for 10 minutes, and serve.
  • Check that the zucchini is tender but not collapsing and the chicken reads 165°F.
  • Let the casserole rest 10 minutes with the lid off so the layers set.
  • Scoop with a wide spoon straight down to the bottom, so each serving has every layer.
  • Cool leftovers within 2 hours and refrigerate in shallow containers for up to 4 days.

Notes

    Zucchini is mostly water. Added at the start, it floods the pot. It goes in for the last half hour.

If it goes wrong: how to fix a watery or mushy crockpot casserole

Almost every failed slow cooker casserole is one of two problems, and both come from the lid. A slow cooker keeps nearly all its moisture, so water that would bake off in the oven stays in the pot.

Watery on top. Too much liquid went in, or something leaked it: undrained beans, Rotel, frozen vegetables, zucchini added early. Fix it now by taking the lid off for the last 30 minutes on HIGH.

Two casseroles side by side: a thin, watery one and a firm one that holds its layers on a spoonPin it
Left: too much liquid, layers won’t hold. Right: drained ingredients and the right hours on LOW.

Mushy underneath. Pasta or rice went in raw and cooked too long, potatoes were cut too thin and stirred, or the whole pot was stirred. Keep pasta and rice for the end, keep the layers still, and use the short end of the time the first time you make a recipe in your pot.

Burned at the edges. Dairy went in too early or the insert was bare. Grease it, and hold the cheese until the last 15–30 minutes.

Potatoes still hard. Slices thicker than ⅛ inch, or potatoes on top instead of the bottom. Give it another hour on HIGH with the lid closed.

Dry chicken. Breasts past 165°F. Use thighs, or check at the short end of the time.

Oven Casserole to Crockpot: What Crosses Over and What Does Not

Can you bake a casserole in a crockpot? Most family oven casseroles convert. Change three things: the liquid, the time, and the order.

Cut the liquid by a third. An oven evaporates water; a slow cooker keeps it. Reduce the broth, milk, or water by about a third, and by up to half for a very saucy recipe. Rice and pasta absorb liquid, so if they go in with it, reduce it less.

  • 15–30 minutes: 4–6 h; 1½–2½ h.
  • 35–45 minutes: 6–10 h; 3–4 h.
  • 1 hour at 350°F: 8–10 h; 4–6 h.

What crosses over: layered potato and beef casseroles, tortilla casseroles, chicken in a creamy sauce, anything with a condensed soup base.

What does not: casseroles built on a crisp top, like breadcrumb or biscuit crusts; delicate fish; anything that relies on a short bake to set, like a baked pasta with no sauce. Pasta and rice stay out until the end. A crunchy topping goes on in the last 5–15 minutes with the lid off, or skip the pot and use the Instant Pot for a short-cook dish.

A 9x13 baking dish and a crockpot side by side with the same casserole, a measuring cup with less broth next to the crockpotPin it
Converting an oven casserole to the crockpot: cut the liquid, since nothing evaporates under a closed lid.

Storing, Reheating, and Freezing Crockpot Casseroles

Get leftovers into the fridge within 2 hours of cooking. Scoop them out of the stoneware into shallow containers, because a full insert holds heat for hours and cools too slowly. They keep 3–4 days in the fridge.

Reheat single portions in the microwave, or a larger amount in a covered dish in the oven, until hot all the way through, 165°F in the center. Do not reheat leftovers in the slow cooker; it warms them too slowly.

To freeze, cool the casserole, pack it in freezer containers, and use it within 3–4 months for best quality. Beef and potato, enchilada, King Ranch, and stuffed pepper casseroles freeze well. Casseroles with pasta or a lot of sour cream get softer and grainier after freezing. More make-ahead ideas are in these crockpot freezer meals.

Casserole portions in glass containers with lids on a counter next to the fridgePin it
Portioned into glass containers, casserole leftovers keep well in the fridge for a few days or the freezer for longer.

More Crockpot Dinner Recipes

More easy crockpot dinners

More ground beef and chicken

Key takeaways

  • Most casseroles take 4–6 hours on LOW; raw potatoes take up to 8.
  • The densest layer goes on the bottom and nothing gets stirred.
  • Cheese and dairy go in for the last 15–30 minutes.
  • Drain canned beans and Rotel, or the pot turns watery.
  • Pasta and rice go in cooked, or late.
  • Brown ground beef first and never start with frozen meat.

When the free version isn’t enough

A recipe gives you the order of the layers, but it cannot tell you how hot your particular slow cooker runs. If the first casserole comes out watery or hard in the middle, shorten or lengthen the time by an hour on the next one, and see our healthy crockpot recipes, Instant Pot recipes and chicken crockpot recipes for dishes with a shorter clock.

Common questions

Can you cook a casserole in 2 hours?

Yes, if everything in it is already cooked. A casserole of cooked meat and vegetables is done in 1.5–2 hours on HIGH. Raw potatoes and raw chicken need longer.

How do I cook a casserole in a slow cooker?

Grease the insert, brown and drain the meat, put the densest layer on the bottom, pour the sauce over the top, and do not stir. Keep the lid closed, and add cheese in the last 15–30 minutes.

Why is my crockpot casserole watery?

The lid keeps the moisture in. Drain canned beans and tomatoes, use condensed soups, add only the liquid the recipe asks for, and cook the last 30 minutes with the lid off if it is already too wet.

Can I put uncooked pasta in a slow cooker casserole?

Only if the recipe is built for it, like the chicken noodle casserole, where dry noodles cook in measured broth for the last 30 minutes on HIGH. Otherwise, cook the pasta separately and stir it in at the end.

Can I put raw ground beef in a slow cooker casserole?

Brown it first. Browning gets it past 160°F before it goes under the layers, and draining the fat keeps the casserole from turning greasy.

How do I keep chicken from drying out in a slow cooker casserole?

Use thighs, keep the chicken under the sauce, and check breasts at the short end of the time. Chicken is done at 165°F; past that, breasts dry out fast.

What can I use instead of canned cream soup?

Tomato-based sauces, like in the stuffed pepper and zucchini casseroles, or a sauce of broth thickened with cornstarch and finished with sour cream or cream cheese in the last 30 minutes.

Can I make a casserole ahead and cook it later?

Yes. Layer it in the insert the night before, cover it, and keep it in the fridge. Brown the meat first and keep the cheese in a separate container. Start it on LOW the next morning and expect an extra 30 minutes, since the insert starts cold.

What are the best casserole recipes for dinner?

The cowboy casserole is the best first pick for ground beef, the chicken enchilada for rotisserie chicken, and the chicken zucchini or stuffed pepper for something lighter.

Iren Pavlenko

Iren Pavlenko

Hi, I'm Iren Pavlenko. I read the top-ranked slow cooker recipes for a dish side by side and write down what they disagree on and what they all leave out — the cut, the pot size, and both the LOW and HIGH times. I write these guides so your weeknight dinner doesn't turn into a dry roast because a recipe never said which of those four things mattered.

Designs that fit this guide

Browse the full catalog

More from Iren Pins