Forget everything you’ve ever heard about corned beef being an all-day, kitchen-filling affair. This isn’t that recipe. This is the one where you decide at 4 PM that a tender, aromatic, soul-warming feast is non-negotiable for dinner, and your Instant Pot makes it a promise you can actually keep.
What emerges is nothing short of transformative. The beef shreds with the gentle nudge of a fork, having absorbed every note of spice and brine, while the cabbage and potatoes achieve a perfect, tender-crisp bite that the slow boil method often sacrifices. This is the classic, reimagined for real life, without a single compromise on flavor.
Why This Recipe Works
- Pressure is the Flavor Infuser: The sealed environment forces the aromatic broth deep into the meat fibers in record time, creating an unbelievably juicy and seasoned result from edge to center.
- Layered Cooking for Perfect Texture: By cooking the beef first, then quickly steaming the vegetables in the same pot, we ensure everything finishes at its ideal texture—no mushy cabbage or underdone potatoes.
- 90 Minutes from Start to Feast: This method collapses hours of traditional simmering into a fraction of the time, delivering a complete, impressive meal on a practical weeknight timeline.
What Goes Into This Dish
The beauty of this recipe lies in its simplicity. Using a few quality core ingredients ensures the final dish is clean, flavorful, and everything you crave.
Every component plays a specific role, so let’s break it down.
- 1 (3 to 4 pound) flat-cut corned beef brisket: The flat-cut is leaner and slices neatly. It almost always comes with a spice packet, which we’ll use.
- 4 cups low-sodium beef broth or water: Using broth (instead of just water) builds a richer, more complex cooking liquid that becomes a fantastic base for everything.
- 1 yellow onion, cut into large wedges: These big pieces melt into sweetness, flavoring the broth without disappearing.
- 4 cloves garlic, smashed: Smashing them releases their oils for a foundational aroma.
- 1 pound baby potatoes (Yukon Gold or red): Their thin skins are tender and don’t need peeling, saving you time and texture.
- 4 large carrots, cut into 3-inch chunks: Cut thick so they stay substantial and don’t turn to mush.
- 1 small head green cabbage, cut into 6 wedges: Keep the core intact on each wedge so the leaves stay together during cooking.
Pantry Substitutions
- No Beef Broth? Use water. The corned beef and its spices are plenty salty and flavorful on their own.
- Different Potatoes? Any waxy potato like red bliss or fingerlings will work. Avoid russets, as they can become too soft under pressure.
- Allergic to Garlic? Simply omit it. The onion and spice packet will carry the flavor profile.
- Prefer a Sweeter Note? Add 2-3 tablespoons of brown sugar or a splash of apple cider vinegar to the pot with the broth to balance the saltiness.
Creative Add-ins
Once you’ve mastered the classic, these simple twists can take your meal in exciting new directions. Think of these as your culinary playground.
A single extra ingredient can completely redefine the experience.
- Beer-Braised Brilliance: Replace half the broth with a stout or amber ale. The malty, roasted notes add incredible depth to the meat.
- Honey-Mustard Glaze: After cooking, mix equal parts whole-grain mustard and honey, brush it over the sliced beef, and broil for 3-4 minutes for a sticky, gorgeous crust.
- Global Spice Route: Toast and add a teaspoon each of coriander seeds and black peppercorns to the pot with the included spice packet for a more complex, aromatic punch.
- Root Vegetable Medley: Add parsnips or turnips in with the carrots for a deeper, earthier vegetable profile that complements the beef perfectly.
Step-by-Step Instructions
This process is beautifully straightforward. We’ll build layers of flavor in one pot, using the magic of pressure for the main event, then a quick steam to finish.
Follow these steps in order for a flawless result every single time.
1. Prep and Position the Beef
Remove the corned beef brisket from its packaging and rinse it briefly under cold water. This washes away any excess surface brine, giving you more control over the final salt level.
Place the trivet that came with your Instant Pot into the inner pot. Arrange the onion wedges and smashed garlic on the trivet, then place the rinsed brisket on top, fat-side up. This elevates the meat, allowing the heat and steam to circulate evenly.
2. Build the Cooking Liquid
Pour the beef broth or water into the pot, around—not over—the brisket. You want the liquid to come about halfway up the sides of the meat, not submerge it.
Sprinkle the contents of the included spice packet over the brisket and into the liquid. There’s no need to stir at this stage.
3. Pressure Cook the Brisket
Secure the lid on your Instant Pot, ensuring the valve is set to the “Sealing” position. Select the “Manual” or “Pressure Cook” function and set the timer for 90 minutes on HIGH pressure.
The pot will take about 10-15 minutes to come to pressure. Once the timer beeps, allow for a full Natural Pressure Release (NPR), which will take about 20-25 minutes. This resting period is crucial for tender meat.
4. Prepare and Add the Vegetables
While the beef is cooking or during the pressure release, wash and cut your potatoes, carrots, and cabbage. Keeping the cabbage wedges intact is key for easy serving.
After the pressure has released completely, carefully open the lid. The beef will be fork-tender. Transfer it to a cutting board, tent it loosely with foil, and let it rest.
5. Steam the Veggies to Perfection
Remove the trivet with the onions and garlic from the pot. Add the baby potatoes and carrot chunks directly into the flavorful broth.
Place the cabbage wedges on top of the potatoes and carrots. Secure the lid again, set the valve to sealing, and pressure cook on HIGH for just 3 minutes. Yes, only three!
6. Quick Release and Serve
Once the 3-minute cook time is complete, perform a Quick Release by carefully turning the valve to “Venting.” Be cautious of the hot steam.
Open the lid when safe. The vegetables should be perfectly tender. Use a slotted spoon to transfer them to a serving platter. Slice the rested brisket against the grain and serve immediately with the vegetables and a ladle of the cooking broth on the side.
Common Mistakes to Avoid
- Cutting the Cabbage Too Small: Small pieces will disintegrate into mush under pressure. Keeping them in large, cored wedges is non-negotiable for structure.
- Overfilling the Pot: Ensure the pot is no more than 2/3 full, including the vegetables. Overfilling can block the steam valve and prevent proper pressurization.
- Not Letting the Beef Rest: Slicing immediately will cause all those precious juices to run out. A 10-minute rest under foil allows the fibers to relax and reabsorb moisture.
Complete the Menu
This dish is a hearty centerpiece, but the right accompaniments turn it into a legendary meal. Think of textures and flavors that complement the savory, salty beef.
A tangy, creamy element is the perfect counterpoint.
Mustard is the classic partner for a reason. Offer a trio: a spicy whole-grain, a smooth Dijon, and a sweet honey mustard.
For sides, a simple loaf of warm, crusty rye or sourdough bread is essential for sopping up the broth. A bright, vinegary salad with a sharp vinaigrette cuts through the richness beautifully.
And don’t forget the butter. A generous pat of good salted butter melting over the hot cabbage and potatoes is a small act of kitchen love that makes all the difference.
First time making Instant Pot Corned Beef and Cabbage? I hope this guide made it easy. Let me know how it turned out!

Why does this Instant Pot method produce such flavorful corned beef in only 90 minutes?
The sealed pressure cooking environment forces the aromatic broth deep into the meat fibers in record time, creating a juicy and thoroughly seasoned result from edge to center, unlike traditional slow simmering.
How do you prevent the cabbage and potatoes from becoming mushy in the Instant Pot?
The recipe uses a layered cooking method. The beef is cooked first under high pressure for 90 minutes. After removing the beef, the vegetables are added and pressure cooked for only 3 minutes, which steams them to a perfect tender-crisp texture without turning them to mush.
What is a common mistake to avoid when preparing the cabbage for this recipe?
Cutting the cabbage too small is a common mistake, as small pieces will disintegrate into mush under pressure. It’s crucial to cut the cabbage into large wedges and keep the core intact on each wedge so the leaves stay together during cooking.
What are some simple ingredient substitutions or add-ins to customize this corned beef recipe?
You can substitute water for beef broth, or use different waxy potatoes like red bliss. For creative add-ins, you can replace half the broth with stout or amber ale for depth, or brush the cooked beef with a honey-mustard glaze and broil it for a sticky crust.

Instant Pot Corned Beef and Cabbage in 90 Minutes
Ingredients
Equipment
Method
- Remove corned beef from packaging and rinse briefly under cold water. Place the trivet in the Instant Pot inner pot.
- Arrange onion wedges and smashed garlic on the trivet. Place the rinsed brisket on top, fat-side up.
- Pour the beef broth into the pot around (not over) the brisket. Sprinkle the contents of the spice packet over the brisket and into the liquid.
- Secure the lid, ensuring the valve is set to ‘Sealing’. Select ‘Manual’ or ‘Pressure Cook’ on HIGH pressure and set the timer for 90 minutes.
- Allow the pot to come to pressure (10-15 minutes). Once the timer beeps, allow for a full Natural Pressure Release (NPR), about 20-25 minutes.
- While the beef cooks or during the NPR, wash and cut the potatoes, carrots, and cabbage.
- After pressure has fully released, carefully open the lid. Transfer the cooked brisket to a cutting board, tent loosely with foil, and let it rest.
- Remove the trivet with onions and garlic from the pot. Add the potatoes and carrots directly into the broth.
- Place the cabbage wedges on top of the potatoes and carrots. Secure the lid again, set valve to sealing, and pressure cook on HIGH for 3 minutes.
- Once the 3-minute cook time is complete, perform a Quick Release by carefully turning the valve to ‘Venting’.
- Open the lid when safe. Use a slotted spoon to transfer the vegetables to a serving platter.
- Slice the rested brisket against the grain. Serve immediately with the vegetables and a ladle of the cooking broth on the side.