Corned beef in a crockpot slices neatly or falls into strings depending on which half of the brisket is in the package, not on the pot. The fix is to know the cut, the hours and the reading, and each recipe below states all three.
Below are 6 ways to cook crockpot corned beef, from the plain flat to a glazed finish and the hash you make after, each with a full recipe card.
Cook the flat 8 to 9 hours and the point 9 to 10 on LOW, pull at 190 to 205°F, rest 15 to 20 minutes, then slice across the grain.
Quick answer
Both parts of the brisket are tender at 190 to 205°F in the thickest spot, but they do not run on the same clock. The flat takes 8 to 9 hours on LOW or 4 to 5 on HIGH, and the point takes 9 to 10 on LOW or 5 to 6 on HIGH. You need a probe thermometer for this.
What is corned beef in a slow cooker?
Corned beef in a slow cooker is a salt-cured brisket that sits in a covered crock for most of a day until it is soft enough to cut.
Think of it as pot roast with a brine: it shares the method of Dutch oven pot roast, with a rinse first and a slice across the grain at the end.
Pick the right corned beef in one minute
| Preview | Idea | Best for | Hands-on time | Avoid if | Get it |
|---|---|---|---|---|---|
 | 1. Crockpot Corned Beef Flat | Neat slices for sandwiches | Low · 8–9 h | You want shreds | Jump to recipe |
 | 2. Crockpot Corned Beef Point Cut | Hash and tacos | Low · 9–10 h | You need tidy slices | Jump to recipe |
 | 3. Crockpot Corned Beef and Cabbage | The classic one-pot dinner | Low · 8–9 h | You dislike soft cabbage | Jump to recipe |
 | 4. Corned Beef Hash from Leftovers | Using leftover point or flat | Stove · 25 min | Soggy potatoes | Jump to recipe |
 | 5. Corned Beef Reuben Sandwiches | Sliced flat on a weeknight | Stove · 15 min | Wet sauerkraut on the bread | Jump to recipe |
 | 6. Brown Sugar Mustard Glazed Corned Beef | A sweeter, browned finish | Low + broil · 9 h | You skip the broiler | Jump to recipe |
For a first try, make the flat (1). If your last brisket fell into strings, read how to choose below.
How do you choose a corned beef cut for the crockpot?
- Flat or point: flat for neat slices and sandwiches, point for shreds, hash and tacos.
- How much liquid: halfway up the brisket, never covering it.
- When it is done: 190 to 205°F in the thickest part, not 165°F, which is safe but not yet tender.
A brisket is two muscles, the lean flat and the fatty point, and the point adds an hour or two. A card that gives one set of hours for the whole piece is guessing. If you cure your own, a grass-fed beef brisket shipped frozen comes as a labeled cut, so you know which half you are cooking before it goes in the pot.
How to Make Crockpot Corned Beef: the Base Method
Rinse and build the pot
Rinse the brisket under cold water, pat it dry, and set it fat side up on sliced onion and garlic.
Set the liquid line
Pour the broth around the meat so it reaches halfway up. Cooking in plain water gives weak flavor, and covering the meat gives a boiled one.
Rest and slice
Lift the brisket to a board, cover loosely with foil and rest 15 to 20 minutes, then cut 1/4 inch thick across the grain.
1. Crockpot Corned Beef Flat
The flat is the lean, even half of the brisket, so it slices into neat slabs. It runs 1 to 2 hours shorter than the point at the same weight.
Rinse the brisket first so the liquid does not turn too salty, and keep the liquid halfway up the meat. A probe thermometer reads the thickest part through the closed lid.
Crockpot Corned Beef Flat
Course: Main CourseDifficulty: Easy6
servings10
minutes9
hoursA 3 to 4 lb corned beef flat cooked 8 to 9 hours on LOW, tender at 190 to 205°F, rested and sliced 1/4 inch thick across the grain.
Ingredients
3 to 4 lb corned beef brisket flat
2 bay leaves
1 tbsp whole grain mustard
1 tbsp brown sugar
1 spice packet that came with the brisket
1 large yellow onion, sliced
4 garlic cloves, smashed
2 cups beef broth or water
1 tsp black pepper
1 tbsp apple cider vinegar
1 tbsp Dijon mustard, for serving
Rye bread, for serving
Directions
- Rinse the brisket under cold water and pat it dry so the surface brine does not oversalt the liquid.
- Scatter the onion and garlic in the bottom of the crockpot.
- Set the brisket on top, fat side up.
- Whisk the broth, mustard, brown sugar, vinegar and spice packet together.
- Pour the liquid around the meat so it reaches about halfway up the brisket.
- Add the bay leaves and the pepper.
- Cover and cook on LOW 8 to 9 hours or HIGH 4 to 5 hours without lifting the lid.
- Check the thickest part: it should read 190 to 205°F and a probe should slide in with no resistance.
- Lift the brisket to a board, cover loosely with foil and rest it 15 to 20 minutes.
- Slice 1/4 inch thick across the grain and spoon a little liquid over the slices.
Notes
- Cut across the grain or the slices fall into strings. Do not cook in plain water if you want flavor. Store slices in the liquid.
2. Crockpot Corned Beef Point Cut
The point is the fatty half of the brisket. It needs an hour or two more than the flat and pulls apart easily, which suits hash and tacos.
Leave it fat side up so the fat bastes the meat. A digital thermometer tells you when it is ready.
Crockpot Corned Beef Point Cut
Course: Main CourseDifficulty: Easy6
servings10
minutes10
hoursA 3 to 4 lb point cut with heavy marbling cooked 9 to 10 hours on LOW until it shreds at 195 to 205°F.
Ingredients
3 to 4 lb corned beef point cut
2 bay leaves
1 tbsp whole grain mustard
1 tbsp brown sugar
1 spice packet that came with the brisket
1 large yellow onion, sliced
4 garlic cloves, smashed
2 cups beef broth
1 tsp black pepper
1 tbsp apple cider vinegar
2 whole cloves
1/2 tsp ground mustard
Directions
- Rinse the point cut under cold water and pat it dry.
- Scatter the onion and garlic in the crockpot.
- Set the brisket on top, fat side up.
- Whisk the broth, mustard, sugar, vinegar and spice packet.
- Pour the liquid around the meat, about halfway up.
- Add the bay leaves, cloves and pepper.
- Cover and cook on LOW 9 to 10 hours or HIGH 5 to 6 hours.
- Check that the thickest part reads 195 to 205°F.
- Rest the brisket 20 minutes under foil.
- Pull into strands with two forks, or slice thick, and moisten with the cooking liquid.
Notes
- The point shreds best along the grain. Skim the fat from the liquid before storing. Keep the leftovers for hash.
3. Crockpot Corned Beef and Cabbage
Put the root vegetables in at the start and the cabbage in for the last hour. Cabbage added at the start turns to mush and sulfur.
Lift the meat out to rest while the vegetables finish in the hot liquid. An instant-read thermometer confirms the brisket is done.
Crockpot Corned Beef and Cabbage
Course: Main CourseDifficulty: Easy6
servings20
minutes9
hoursCorned beef cooked 8 hours, with potatoes and carrots under it and cabbage wedges added for the last hour.
Ingredients
3 lb corned beef brisket flat
1 spice packet
1 lb baby potatoes, halved
4 carrots, cut in chunks
1 small head green cabbage, cut in 6 wedges
1 large yellow onion, quartered
4 garlic cloves, smashed
2 bay leaves
3 cups beef broth or water
1 tbsp brown sugar
Chopped parsley and butter, for serving
Directions
- Rinse the brisket and pat it dry.
- Spread the potatoes, carrots and onion across the bottom of the crockpot.
- Set the brisket on the vegetables, fat side up.
- Add the garlic, bay leaves, sugar and spice packet.
- Pour the broth around the meat, not over it.
- Cover and cook on LOW 7 to 8 hours.
- Tuck the cabbage wedges around the meat and cook 1 hour more.
- Check that the meat reads 190 to 205°F in the thickest part.
- Lift the brisket out and rest it 15 minutes while the cabbage finishes.
- Slice across the grain and serve with the vegetables, butter and parsley.
Notes
- Cabbage at the start turns grey and soft. Dry the vegetables on a towel if you want less liquid on the plate.
4. Corned Beef Hash from Leftovers
Hash works best from the point, which is already tender. Dice the potatoes and the beef the same size, and leave them alone in the pan so the underside crisps.
Dry the potatoes before they hit the oil, because wet potatoes steam instead of browning.
Corned Beef Hash from Leftovers
Course: Main CourseDifficulty: Easy4
servings15
minutes25
minutesDiced leftover corned beef and boiled potatoes crisped in a hot cast iron skillet and topped with an egg.
Ingredients
2 cups leftover corned beef, diced
3 cups cooked potatoes, diced
1 yellow onion, diced
2 tbsp butter
1 tbsp neutral oil
1/2 tsp smoked paprika
1/2 tsp black pepper
1/2 tsp kosher salt
1 tbsp chopped parsley
4 eggs
Hot sauce, for serving
Directions
- Pat the diced potatoes dry on a towel.
- Heat the oil and half the butter in a large skillet over medium-high heat.
- Cook the onion 4 minutes until soft.
- Add the potatoes and spread them in one layer.
- Leave them without stirring for 4 to 5 minutes, until the underside is brown.
- Turn the potatoes and add the beef, paprika, salt and pepper.
- Press down and cook 5 minutes more without stirring.
- Make four wells and crack in the eggs.
- Cover and cook 3 to 4 minutes for set whites and soft yolks.
- Top with parsley and serve with hot sauce.
Notes
- Hash made in a crowded pan steams. Cook in two batches if your skillet is small.
5. Corned Beef Reuben Sandwiches
The flat gives the cleanest slices for a Reuben. Squeeze the sauerkraut dry so the bread stays crisp.
Toast in a skillet over medium-low heat so the cheese melts before the bread burns. A quick thermometer confirms the beef is hot.
Corned Beef Reuben Sandwiches
Course: Main CourseDifficulty: Easy4
servings15
minutes15
minutesThin slices of flat layered with Swiss, sauerkraut and Russian dressing between buttered rye and pan-toasted.
Ingredients
1 lb sliced corned beef flat
8 slices rye bread
8 slices Swiss cheese
1 cup sauerkraut, drained and squeezed dry
1/2 cup Russian dressing
3 tbsp softened butter
1 tsp caraway seeds
Dill pickles, for serving
1/2 tsp black pepper
1 tbsp spicy brown mustard
Directions
- Warm the sliced corned beef in a covered pan with a spoon of cooking liquid.
- Squeeze the sauerkraut dry in a clean towel.
- Butter one side of each slice of bread.
- Spread dressing on the unbuttered sides.
- Layer Swiss, beef, sauerkraut and more Swiss on four of the slices.
- Close with the remaining slices, buttered side out.
- Heat a skillet over medium-low heat.
- Toast each sandwich 3 to 4 minutes a side, pressing lightly.
- Rest 1 minute so the cheese settles.
- Cut in half and serve with pickles.
Notes
- Pressing too hard squeezes out the filling. Slice the beef thin across the grain.
6. Brown Sugar Mustard Glazed Corned Beef
The glaze goes on after the cook, never before. Under the broiler it caramelizes into a crust in about five minutes.
Watch the oven closely, because sugar goes from brown to black in under a minute. A TempSwift thermometer checks the brisket before it glazes.
Brown Sugar Mustard Glazed Corned Beef
Course: Main CourseDifficulty: Easy6
servings10
minutes9
hours30
minutesSlow-cooked brisket finished 5 minutes under the broiler with a brown sugar and mustard glaze.
Ingredients
3 to 4 lb corned beef brisket flat
1 spice packet
1 yellow onion, sliced
2 cups beef broth
2 bay leaves
1/4 cup brown sugar
3 tbsp whole grain mustard
1 tbsp apple cider vinegar
1/4 tsp ground cloves
1/2 tsp black pepper
Directions
- Rinse the brisket and pat it dry.
- Spread the onion in the crockpot and set the brisket on top.
- Pour in the broth with the spice packet and bay leaves.
- Cover and cook on LOW 8 to 9 hours, until the thickest part reads 190 to 205°F.
- Heat the broiler with the rack 6 inches from the element.
- Lift the brisket to a foil-lined sheet pan.
- Mix the sugar, mustard, vinegar and cloves into a paste.
- Spread the glaze over the fat side.
- Broil 3 to 5 minutes until the glaze bubbles and darkens.
- Rest 15 minutes, then slice across the grain.
Notes
- Glaze burns fast, so stay with it. Do not glaze at the start of the cook, because it will wash into the liquid.
If it goes wrong
- Strings instead of slices: you sliced with the grain or the cut was a point. Cut across the grain, and use the flat for slices.
- Too salty: the brisket was not rinsed. Rinse it and use broth rather than a second brine.
- Tough in the middle: pulled before 190°F. Put the lid back on and read again in an hour.
- Mushy cabbage: it went in at the start. Add it for the last hour.
- Dry slices: they sat out of the liquid. Keep them in it.
How to Store Corned Beef
Store the meat in its liquid for 3 to 4 days in the refrigerator, in shallow containers. Reheat covered to 165°F. For more make-ahead dinners see easy crockpot dinners.
Key takeaways
- Know whether the package is flat or point.
- Rinse the brisket before it goes in.
- Keep the liquid halfway up the meat.
- Pull at 190 to 205°F, not at 165°F.
- Rest 15 to 20 minutes, slice across the grain.
- Add cabbage for the last hour only.
When the free version isn’t enough
A fork test through a lifted lid is the free version, and it lets the heat out. A probe thermometer answers from the counter.
For other beef dinners from the same pot, see shredded beef tacos, short ribs, Italian beef and crockpot roast.
Common questions
How long does corned beef take in a crockpot?
The flat takes 8 to 9 hours on LOW or 4 to 5 on HIGH, and the point takes 9 to 10 on LOW or 5 to 6 on HIGH for 3 to 4 lb.
Should I cook corned beef and cabbage together in a crockpot?
Cook the potatoes and carrots under the meat from the start, and add the cabbage for the last hour so it stays tender but not mush.
Do I put water or beer in a crockpot corned beef?
Use beef broth or water, about 2 cups, halfway up the brisket. Beer works but is optional.
Can I cook a frozen corned beef in the crockpot?
Thaw it in the refrigerator first. A frozen brisket spends hours in the unsafe temperature range.
Should I rinse corned beef before slow cooking?
Yes. A quick rinse removes surface brine so the liquid does not turn too salty.
What temperature is corned beef done in a slow cooker?
190 to 205°F in the thickest part. 165°F is safe but not yet tender.
Do I put corned beef fat side up or down in a crockpot?
Fat side up, so the fat bastes the meat as it cooks.
How do I slice corned beef so it does not fall apart?
Rest it 15 to 20 minutes and cut 1/4 inch thick across the grain.
