Tender Instant Pot Corned Beef with Cabbage

Corned beef that’s fall-apart tender in a fraction of the usual time is exactly what the Instant Pot does best. This version comes out with the same deep, savory flavor you’d get from hours of simmering, but it’s on the table after about an hour and a half of pressure cooking.

I add cabbage, carrots, and potatoes right in the pot at the end, so you get a complete one-pot meal with barely any extra effort. It’s the Sunday dinner shortcut that actually works.

Why This Instant Pot Corned Beef Works

The pressure cooker steams the brisket until the tough connective tissue melts away, leaving you with slices that hold together but pull apart with a fork. The meat stays juicy, not waterlogged, because the sealed pot holds onto steam so well.

The vegetables cook in the same spiced broth afterward, so they soak up all that beefy flavor without turning to mush. It’s the kind of meal that feels like you put in a lot more time than you did.

Ingredients

• 3 to 4 lb corned beef brisket with spice packet: flat cut works well; point cut has more marbling
• 1 medium onion, diced: yellow or white
• 3 cloves garlic, smashed
• 1 cup water or beef broth: broth adds a bit more depth
• 2 tbsp apple cider vinegar: brightens the broth, helps tenderize
• 2 bay leaves
• 3 large carrots, peeled and quartered
• 1 lb baby potatoes (red or Yukon gold)
• 1 small head green cabbage, cut into 6 to 8 wedges
• Grainy mustard, for serving

Variations / Substitutions

• Swap the water for beer: a dark beer or lager brings a malty note that plays well with the spices. Use the same amount.
• No cider vinegar?: lemon juice or a splash of white vinegar works. You can skip it entirely and still get great results.
• Add whole spices: drop in a few allspice berries, a cinnamon stick, or a teaspoon of coriander seeds along with the bay leaves.
• Different vegetables: turnips, parsnips, or pearl onions can stand in for some of the carrots or potatoes. Cook them the same way.
• For a classic stovetop version, try our recipe for Traditional Boiled Corned Beef and Cabbage.

How to Make Instant Pot Corned Beef

Step 1: Sauté the Aromatics

Set the Instant Pot to sauté on high and add a drizzle of neutral oil. Toss in the 1 diced onion and 3 smashed garlic cloves and cook, stirring now and then, for about 5 minutes. The onion should soften and turn translucent with a few golden edges.

Pour in the 1 cup water or broth and the 2 tbsp cider vinegar. Use a wooden spoon to scrape up any browned bits stuck to the bottom. That deglazes the pot and stops a burn warning later.

Step 2: Pressure Cook the Corned Beef

Lay the 3 to 4 lb corned beef brisket in the pot fat-cap up. Sprinkle the spice packet evenly over the meat and tuck the 2 bay leaves into the liquid. Lock the lid and set the valve to sealing. Pressure cook on high for 90 minutes.

When the cook time ends, the meat will smell deeply savory and spiced. You’ll know it’s on track when a knife slips in with almost no resistance, but hold off checking until after the release.

Step 3: Release and Remove the Beef

Let the pressure release naturally for 15 minutes, then carefully vent any remaining steam. Use sturdy tongs to lift the brisket onto a cutting board and tent it loosely with foil. It will be so tender it wobbles as you move it.

Strain the cooking liquid through a fine-mesh sieve into a bowl or large measuring cup. You’ll use that rich broth to steam the vegetables in a moment.

Step 4: Steam the Vegetables

Pour the strained broth back into the Instant Pot. Add the 3 quartered carrots, 1 lb baby potatoes, and the cabbage wedges. It’s fine if they crowd the pot. Secure the lid and pressure cook on high for 4 minutes. Quick release the pressure as soon as the timer stops.

Poke a potato with a fork. It should slide through easily, and the cabbage will be wilted and tender. If anything needs another minute, just turn on sauté and simmer with the lid ajar until done.

Step 5: Slice and Serve

Slice the rested corned beef against the grain into thick slabs. Arrange the slices on a platter with the vegetables and spoon a little of the warm broth over everything. The meat glistens and the vegetables look glossy and inviting.

Serve hot with grainy mustard on the side and extra broth in a small pitcher. Any leftover liquid can be spooned over the meat at the table.

Tips for the Best Instant Pot Corned Beef

• If your corned beef is especially salty: submerge the whole brisket in cold water for an hour or two before cooking. Pat it dry and discard the water. This pulls out some of the brine without washing away flavor.
• Slice against the grain: look for the long muscle fibers and cut perpendicular to them. That shortens the fibers and makes every bite more tender.
• Don’t overdo the vegetables: 4 minutes of pressure cooking leaves them soft but not falling apart. Quick release the steam right away to stop the carryover cooking.
• Use a fat separator: if you want a leaner broth for serving, pour the strained liquid into a fat separator and spoon off the fat before drizzling it over the dish.

Adjust the pressure cook time to the size of your brisket:

Brisket Weight	Pressure Cook Time
2.5 to 3 lbs	90 minutes
3 to 3.5 lbs	95 minutes
3.5 to 4 lbs	100 minutes

Always let the pressure release naturally for 15 minutes after the cook time.

Storing Leftovers

Leftover corned beef and vegetables keep well in an airtight container in the fridge for up to 4 days. Reheat gently in a skillet with a splash of the reserved broth to keep the meat moist, or in the microwave in 30-second bursts. Cold slices are fantastic on rye bread with mustard for a next-day sandwich.

Frequently Asked Questions

Do I need to rinse the corned beef before cooking?

Rinsing helps if you prefer a noticeably less salty result. Pat it very dry afterward, especially if you plan to sear the meat, though this recipe skips that step.

Can I cook just the corned beef without the vegetables?

Yes. Follow the recipe through Step 3. Skip Step 4 and serve the sliced beef with the strained broth. The vegetables can be cooked separately on the stovetop if you like.

Why did my corned beef turn out tough?

Two likely reasons: the cook time was too short for the size of the brisket, or the pot didn’t get a full 15-minute natural pressure release. Both are needed to break down the connective tissue. Give it another 10 to 15 minutes of pressure cooking and a full release.

What’s the best cut of corned beef for the Instant Pot?

Brisket flat cut gives you even slices with a clean grain. Point cut has more fat and ends up richer but can shred a bit more. Either works; just adjust the time based on weight.