Slow Cooker Corned Beef and Cabbage

Quick Recipe Version (TL;DR)

• Yield: 6 servings
• Prep Time: 20 minutes
• Cook Time: 9 hours
• Total Time: 9 hours 20 minutes

Quick Ingredients

• 3 to 3.5 lb corned beef brisket (flat cut), with spice packet (or 1.5 tbsp pickling spice)
• 2 medium yellow onions, thick wedges
• 2 lb baby gold or red potatoes, halved
• 1 lb carrots, peeled, cut into 2-inch pieces
• 4 garlic cloves, smashed
• 2 cups low-sodium beef broth + 1 cup water
• 1 tbsp apple cider vinegar
• 1 tbsp light brown sugar
• 2 bay leaves
• 1 small green cabbage (about 2 lb), cut into 6–8 wedges
• 2 tbsp butter (optional), chopped parsley, Dijon or whole-grain mustard for serving

Do This

• 1. Rinse brisket under cold water; pat dry. Put onions, potatoes, carrots, and garlic in a 6–7 quart slow cooker.
• 2. Lay brisket fat-side up on vegetables; sprinkle spice packet (or pickling spice) and add bay leaves.
• 3. Pour in broth, water, vinegar, and brown sugar around (not over) the meat. Cover.
• 4. Cook on Low for 8 hours 30 minutes (or High for 4 hours). Do not open the lid.
• 5. Remove brisket to rest, tented, 10 minutes. Add cabbage wedges, press into liquid; switch to High and cook 30 minutes until tender.
• 6. Slice brisket 1/4-inch thick against the grain. Toss hot cabbage with butter (optional).
• 7. Serve meat and vegetables with a ladle of cooking liquid, parsley, and mustard.

---

Why You’ll Love This Recipe

• Hands-off slow cooking delivers a melt-in-your-mouth brisket and buttery vegetables.
• Classic flavors from pickling spices, bay leaves, and a touch of vinegar for balance.
• Family-friendly and hearty; feeds a crowd with minimal prep.
• Reliable timing with a simple finish: cabbage wedges added at the end so they stay vibrant and tender.

Grocery List

• Produce: Yellow onions, baby gold or red potatoes, carrots, garlic, green cabbage, fresh parsley
• Dairy: Unsalted butter (optional)
• Pantry: Corned beef brisket (flat cut), low-sodium beef broth, apple cider vinegar, light brown sugar, bay leaves, pickling spice (if no spice packet), Dijon or whole-grain mustard

Full Ingredients

Brisket & Braising Liquid

• 3 to 3.5 lb corned beef brisket (flat cut), include spice packet if provided
• 1.5 tbsp pickling spice (only if your brisket does not include a spice packet)
• 2 cups low-sodium beef broth
• 1 cup water
• 1 tbsp apple cider vinegar
• 1 tbsp packed light brown sugar
• 2 bay leaves
• Optional if no spice packet: 1 tsp whole black peppercorns, 1 tsp mustard seeds, 1 tsp coriander seeds, 4 whole allspice berries (or 2 whole cloves)

Vegetables

• 2 medium yellow onions, cut into 1/2-inch thick wedges
• 2 lb baby gold or red potatoes, halved (quarter if larger than 2 inches)
• 1 lb carrots, peeled and cut into 2-inch pieces
• 4 garlic cloves, smashed
• 1 small green cabbage (about 2 lb), cored and cut into 6–8 wedges (leave some core to hold together)

To Finish & Serve

• 2 tbsp unsalted butter (optional, for tossing with the cabbage)
• 2 tbsp chopped fresh parsley
• Dijon or whole-grain mustard, for serving
• Freshly ground black pepper, to taste

Step-by-Step Instructions

Step 1: Prep the brisket and vegetables

Remove the corned beef from its packaging. Rinse under cold water to wash away excess surface brine (this prevents the finished dish from being overly salty). Pat dry. If there is a very thick cap of fat, trim it to about 1/4 inch; leave the rest for flavor and moisture.

Prep vegetables: wedge the onions, halve the baby potatoes, cut carrots into 2-inch pieces, smash the garlic cloves. Core the cabbage and cut into 6–8 wedges, keeping a bit of core on each wedge so they hold together.

Step 2: Build the slow cooker base

In a 6–7 quart slow cooker, add onions, potatoes, carrots, and garlic in an even layer. Place the brisket fat-side up on top of the vegetables. Sprinkle the included spice packet evenly over the meat (or use 1.5 tbsp pickling spice). Tuck in the bay leaves.

In a measuring cup, combine the beef broth, water, apple cider vinegar, and brown sugar. Pour the liquid around the brisket (not directly over the top) so the spices stay in place. The liquid should come about one-third to halfway up the sides of the meat.

Step 3: Cook low and slow

Cover and cook on Low for 8 hours 30 minutes (or on High for about 4 hours). Resist opening the lid—every peek adds significant time. The brisket is ready for the next step when it is fork-tender and an instant-read thermometer inserted into the thickest part reads about 190–200°F (88–93°C). If using a larger 3.5 lb cut, you may need up to 30 minutes more.

Step 4: Rest the brisket, finish the cabbage

Transfer the brisket to a cutting board, tent loosely with foil, and rest 10 minutes. Switch the slow cooker to High. Nestle the cabbage wedges into the hot cooking liquid and vegetables, spooning some liquid over the top. Cover and cook until the cabbage is tender but still holds together, 25–35 minutes. Toss the finished cabbage with the butter if using.

Step 5: Slice against the grain

Identify the grain (the long muscle fibers) running through the brisket and slice across it into 1/4-inch slices. For extra tenderness, you can cut wider slices in half crosswise. Skim excess fat from the surface of the cooking liquid.

Step 6: Plate and serve

Arrange sliced corned beef on a warm platter with the potatoes, carrots, and cabbage wedges. Spoon some hot cooking liquid over the meat to keep it glossy and juicy. Finish with chopped parsley and serve with Dijon or whole-grain mustard. Taste before adding salt—corned beef is naturally salty—then add freshly ground black pepper to taste.

Pro Tips

• Rinsing matters: A quick rinse balances saltiness without diluting flavor.
• Fat-side up: Cooking with the fat cap on top self-bastes the brisket and keeps it moist.
• Leave the lid closed: Heat loss from peeking can add 20–30 minutes to the cook time.
• Potatoes count: Use waxy potatoes (gold or red). Russets tend to fall apart in the slow cooker.
• Texture target: For sliceable, tender brisket, aim for 190–200°F (88–93°C) internal temperature; much hotter and it will start to shred.

Variations

• Stout-braised: Replace 1 cup of broth with Guinness or another stout for a malty, toasty depth.
• Mustard-brown sugar glaze: After slicing, brush with 2 tbsp Dijon mixed with 1 tbsp brown sugar and broil on a sheet pan for 2–3 minutes until lightly caramelized.
• Lower-carb swap: Replace potatoes with large chunks of turnips or rutabaga; reduce cook time for them by 15–20 minutes to keep texture.

Storage & Make-Ahead

Cool leftovers in their cooking liquid for best moisture. Refrigerate in airtight containers up to 4 days. Reheat gently in a saucepan with some braising liquid over low heat until warmed through, or covered in a 300°F (150°C) oven for 20–25 minutes. Freeze sliced corned beef and some strained cooking liquid (without potatoes) for up to 3 months; thaw overnight before reheating. Note that potatoes do not freeze well and may become mealy—freeze meat and carrots only if needed.

Nutrition (per serving)

Approximate values for 1/6 of the recipe: 520 calories; 36 g protein; 27 g fat; 33 g carbohydrates; 6 g fiber; sodium 1600 mg (varies widely by brand of corned beef and how much broth is consumed).