Who doesn’t like a delicious beef roast, especially when it’s the best London Broil in the Instant Pot? This is a set it and forget it recipe, which is what we all bought pressure cookers for. This London Broil recipe uses simple ingredients and can be paired with classic sides such as rice, potatoes, salads, and roasted vegetables. Make this London Broil for your last-minute holiday guests as an elegant meal. No one will know it was made quickly in the pressure cooker with no overnight marinade required!

large dish containing the London Broil dish with vegetables, a bowl containing gravy, and a plate with the London Broil, vegetables, and gravy

The Ingredients

These ingredients come together to make a classic roast dinner recipe. A London broil is a cut of beef that is a tough steak, such as skirt steak, bottom, or inside round sirloin. For mine, I used sirloin. For the veggies, use whatever root vegetables you think would cook best in the stout bbq sauce gravy that pressure cooked the beef.

  • London Broil
  • stout beer
  • BBQ sauce
  • white onion
  • salt & pepper
  • carrots
  • green peas
  • parsley
  • celeriac (celery root) or turnip, optional

Ingredients for the London Broil Recipe, including the roast, carrots, onions, peas, various seasonings and more

Pressure Cook the London Broil

This easy instant pot London Broil Recipe comes together by putting the stout beer at the bottom of your Instant Pot. Lay a trivet on top. Brush the trivet with a little olive oil and use the rest of the oil to rub the steak. Season with salt and pepper. Lay the steak onto the trivet and top with BBQ sauce. It’s ok if some go off the sides. Pressure cook on high for 35 min.

picture shows steak in an instant pot on a trivet above the stout beer in the bottom of the pressure cooker.

Broil the Steak

After you release the pressure, have a broiler ready. Line a tray with aluminum foil and carefully transfer the steak to the tray. Here I liked to add a little bit of extra BBQ sauce to create a glaze. Broil for 2-3 min. This makes your meat nice and caramelized and brings out all that delicious natural sweetness.

Shows the London broil fresh out of the oven that was under the broiler

Cook the Veggies

No London Broil dinner is complete without vegetables. While the steak broils, add your carrots, celeriac (celery root), and peas to the instant pot cooking liquid. Simmer until they are nice and cooked and tender. This also reduces the sauce for your steak. Serve the vegetables and some of the sauce on top of the steak and garnish with parsley. You can optionally remove the vegetables, cover them to keep them warm and continue to reduce the sauce. I would highly recommend this. The porter / BBQ sauce becomes delicious when butter is incorporated into it.

cooking the veggies is shown in the bottom left and the resting London broil is in the top right before being placed in the oven under the broiler.

London Broil Recipe - Instant Pot Favorites

Eva Bee
Prep Time 10 minutes
Cook Time 45 minutes
Course Dinner
Cuisine American, British


  • Instant Pot or Ninja Foodi
  • Trivet
  • Aluminum Foil
  • Baking Tray


  • 250 ml stout beer
  • 1 large white onion peeled and sliced thick
  • 1 tbsp olive oil
  • salt and pepper to taste
  • 1 2 lb London Broil I used top sirloin steak, 1 1/2 " thick
  • Ā½ cup smokey BBQ sauce plus more for glazing


  • 2 cup peeled and cut carrots into 2" pieces
  • 1 celeriac or large turnip, peeled and cubed into 2 " cubes
  • 2 cup frozen green peas
  • Ā¼ cup butter
  • 1 tbsp parsley for garnish


  • Pour the stout in the bottom of your instant pot. Add the onion slices.
  • Place the trivet on top and brush with oil.
  • Rub the London Broil with olive oil and season with salt and pepper. Place on the trivet and pour over BBQ sauce.
  • Pressure cook on high for 35 minutes. Instant release pressure.
  • Set your oven to broil. Place the London Broil on an aluminum foil lined tray. Brush with a layer of more BBQ sauce. Broil for 2-3 min. Tent with foil and set aside until vegetables are ready.
  • Meanwhile, set the Instant Pot to saute on normal. Add carrots, celeriac and peas. Simmer for 10-15 minutes or until cooked through and sauce has thickened. Remove the vegetables and cover them to keep them warm.
  • Remove about 1 Ā½ cup remaining liquid into a heat proof bowl. Stir in the butter into the 1 1Ā½ liquid. Taste for seasoning. Or optionally simmer all of the remaining liquid that's in the Instant Pot and saute on 'normal'. Simmer the sauce until reduced. It took me about 20 minutes. It takes extra time but highly recommended.
  • Top London Broil with vegetables, sauce and parsley. Serve warm.


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More Veggie Ideas

Check out our Instant Pot Minestrone Soup or our Air Fryer Vegetable Fritters (Pakoras).

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