Slow cooker corned beef is incredible. But sometimes you don’t have 8–10 hours. Sometimes it’s 4pm on St. Patrick’s Day and you just realized you forgot to start the slow cooker this morning. That’s where the Instant Pot corned beef recipe saves the day — completely, heroically, and without judgment.
The pressure cooker does in 90 minutes what the slow cooker does in 8 hours. And the result? Almost identical levels of tenderness and flavor. I was genuinely skeptical the first time I tried this — I’m a slow cooker loyalist at heart — but the Instant Pot version completely won me over. It’s the quickest way to get perfectly tender corned beef on the table, and it’s become my go-to whenever time is tight.
Why the Instant Pot Works So Well for Corned Beef
The science here is actually really cool. Ever wonder why pressure cooking is so much faster?
How Pressure Cooking Transforms Tough Meat
Under pressure, water boils at a higher temperature than the normal 212°F. In the Instant Pot, liquid reaches around 240–250°F, which dramatically speeds up collagen breakdown in tough cuts like brisket. What normally takes 8+ hours of low, slow heat happens in about 90 minutes under pressure. Same result, fraction of the time.
- Pressure cooking = faster collagen breakdown = tender meat quicker
- Sealed environment locks in every bit of moisture and flavor
- High-heat steam penetrates the meat more deeply than stovetop boiling
- Keeps the kitchen cooler — no giant pot of boiling water for hours
Ingredients for Instant Pot Corned Beef
- 3–4 lb corned beef brisket with spice packet
- 1 lb baby potatoes, halved
- 3 medium carrots, cut into 2-inch pieces
- 1 medium onion, quartered
- 4 garlic cloves, smashed
- ½ head cabbage, cut into wedges
- 1½ cups beef broth
- 1 cup Guinness or dark beer (or extra broth)
- 2 tbsp apple cider vinegar
- 1 tbsp brown sugar
- 1 tsp black pepper
How to Make Instant Pot Corned Beef — Step by Step
Step 1: Saute the Aromatics (Optional but Worth It)
Set the Instant Pot to SAUTÉ mode. Add a splash of oil and sauté onion and garlic for 2–3 minutes until slightly softened. This optional step builds a deeper flavor base and adds a little extra depth to the cooking liquid. Skip it if you’re really short on time — the recipe works without it.
Step 2: Add Vegetables to the Pot
Turn off sauté mode. Add the halved baby potatoes, carrot pieces, and any remaining onion directly into the Instant Pot inner pot. Spread them in an even layer across the bottom. These vegetables will cook beautifully in the pressurized broth and become the perfect side dish without any extra pots.
Step 3: Place the Corned Beef in the Pot
Rinse the brisket and pat it dry. Place it fat-side up on top of the vegetables. Sprinkle the entire spice packet over the surface of the meat. The vegetables below act as a natural rack keeping the beef slightly elevated, which helps it cook more evenly under pressure.
Step 4: Add Liquid — Don’t Skip This Step
Pour the beef broth and beer around the sides of the brisket (not over the top). Add apple cider vinegar and brown sugar. The liquid is critical in pressure cooking — the Instant Pot needs adequate liquid to build and maintain pressure. Without enough liquid, you’ll get the dreaded BURN warning. The liquid should reach the bottom third of the brisket.
Step 5: Pressure Cook on High
Secure the Instant Pot lid and set the valve to SEALING. Select MANUAL / PRESSURE COOK on HIGH and set the timer for 90 minutes. The pot will take about 15 minutes to come to pressure before the 90-minute countdown begins. Total active time from lid-on to fully cooked: approximately 1 hour 45 minutes.
Step 6: Natural Release for 15 Minutes
When the cook time ends, allow the pressure to natural release for 15 minutes before switching the valve to VENTING for a quick release of remaining pressure. Natural release is important for meat — quick releasing immediately can tighten the muscle fibers and undo all that tender work you just did.
Step 7: Add Cabbage and Pressure Cook Again
Remove the brisket and set aside covered with foil. Add cabbage wedges to the hot broth in the pot. Seal the lid and pressure cook on HIGH for just 3 minutes, then quick release immediately. Three minutes is all the cabbage needs — any more and it turns to complete mush.
Step 8: Slice and Plate
Let the brisket rest 5–10 minutes, then slice against the grain. Plate with the vegetables and ladle the flavorful cooking liquid over everything as a light broth. The cooking liquid from Instant Pot corned beef is genuinely one of the best things in it — don’t waste a drop.
Instant Pot Corned Beef Timing Guide
| Brisket Weight | Cook Time (High Pressure) | Natural Release |
|---|---|---|
| 2–2.5 lbs | 70 minutes | 15 minutes |
| 3–3.5 lbs | 90 minutes | 15 minutes |
| 4–4.5 lbs | 110 minutes | 15 minutes |
Always add 10 minutes if cooking from frozen.
More Quick and Easy Recipes
If you love recipes that deliver incredible results without a huge time investment, you’ll love what’s over at Jessica Healthy Recipes. The Easy Chicken Caesar Wrap Recipe is a brilliant quick-prep lunch or dinner that comes together in minutes — perfect for the days after St. Patrick’s Day when you want something light and fast. And for a satisfying, no-fuss side, the Dense Bean Salad Recipe takes just minutes and pairs beautifully with almost any main course.
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Ingredient Substitutions
- Guinness → apple cider, extra beef broth, or any dark beer
- Baby potatoes → quartered russets or Yukon golds
- Apple cider vinegar → white wine vinegar or lemon juice
- Brown sugar → honey or maple syrup
- Beef broth → vegetable broth for a lighter flavor
Storage Instructions
- Fridge: Store in airtight containers with cooking liquid for up to 4 days
- Freezer: Beef only, without cabbage, for up to 3 months
- Reheating: Slice and reheat in a covered pan with a splash of the cooking liquid over low heat
- Leftover idea: Make corned beef and potato soup using the leftover broth — absolutely incredible
Frequently Asked Questions
Q: How long does Instant Pot corned beef take? About 90 minutes on HIGH pressure, plus 15 minutes natural release and 15 minutes to come to pressure. Total time is approximately 2 hours from start to table.
Q: Do I need to rinse corned beef before pressure cooking? A quick rinse removes some of the surface brine and reduces overall saltiness. It’s optional but recommended, especially if you’re sensitive to salt.
Q: Can I cook Instant Pot corned beef from frozen? Yes — add an extra 10–15 minutes to the cook time. No need to thaw first.
Q: Why did I get a BURN warning on my Instant Pot? Not enough liquid in the pot. Make sure you have at least 1.5 cups of liquid before pressure cooking. Also avoid having thick sauce or glaze directly on the bottom of the pot.
Q: Is Instant Pot corned beef as tender as slow cooker corned beef? Very close — the Instant Pot produces beautifully tender results. Slow cooker edges it out slightly in terms of texture depth, but the difference is minimal and the Instant Pot wins easily on time.
Q: Can I add cabbage at the beginning in the Instant Pot? Not recommended — 90 minutes at high pressure would completely disintegrate the cabbage. Always add it separately at the end for the best texture.
Tender Corned Beef in Under 2 Hours — Yes, Really
Instant Pot corned beef is the recipe you need in your back pocket for every St. Patrick’s Day where life got in the way of planning. Incredibly tender, deeply flavorful, and on the table in under 2 hours — it’s the quick version that doesn’t taste quick at all.
Instant Pot Corned Beef — Tender in 90 Minutes Instead of 8 Hours
Course: DinnerCuisine: AmericanDifficulty: Medium6
servings15
minutes1
hour30
minutes400
kcalIngredients
3–4 lb corned beef brisket with spice packet
1 lb baby potatoes, halved
3 medium carrots, cut into 2-inch pieces
1 medium onion, quartered
4 garlic cloves, smashed
½ head cabbage, cut into wedges
1½ cups beef broth
1 cup Guinness or dark beer (or extra broth)
2 tbsp apple cider vinegar
1 tbsp brown sugar
1 tsp black pepper
Directions
- Set the Instant Pot to SAUTÉ mode. Add a splash of oil and sauté onion and garlic for 2–3 minutes until slightly softened. This optional step builds a deeper flavor base and adds a little extra depth to the cooking liquid. Skip it if you’re really short on time — the recipe works without it.
- Turn off sauté mode. Add the halved baby potatoes, carrot pieces, and any remaining onion directly into the Instant Pot inner pot. Spread them in an even layer across the bottom. These vegetables will cook beautifully in the pressurized broth and become the perfect side dish without any extra pots.
- Rinse the brisket and pat it dry. Place it fat-side up on top of the vegetables. Sprinkle the entire spice packet over the surface of the meat. The vegetables below act as a natural rack keeping the beef slightly elevated, which helps it cook more evenly under pressure.
- Pour the beef broth and beer around the sides of the brisket (not over the top). Add apple cider vinegar and brown sugar. The liquid is critical in pressure cooking — the Instant Pot needs adequate liquid to build and maintain pressure. Without enough liquid, you’ll get the dreaded BURN warning. The liquid should reach the bottom third of the brisket.
- Secure the Instant Pot lid and set the valve to SEALING. Select MANUAL / PRESSURE COOK on HIGH and set the timer for 90 minutes. The pot will take about 15 minutes to come to pressure before the 90-minute countdown begins. Total active time from lid-on to fully cooked: approximately 1 hour 45 minutes.
- When the cook time ends, allow the pressure to natural release for 15 minutes before switching the valve to VENTING for a quick release of remaining pressure. Natural release is important for meat — quick releasing immediately can tighten the muscle fibers and undo all that tender work you just did.
- Remove the brisket and set aside covered with foil. Add cabbage wedges to the hot broth in the pot. Seal the lid and pressure cook on HIGH for just 3 minutes, then quick release immediately. Three minutes is all the cabbage needs — any more and it turns to complete mush.
- Let the brisket rest 5–10 minutes, then slice against the grain. Plate with the vegetables and ladle the flavorful cooking liquid over everything as a light broth. The cooking liquid from Instant Pot corned beef is genuinely one of the best things in it — don’t waste a drop.