This Steak and Mushrooms Soup Instant Pot recipe riffs on classic French onion soup, adding tender chunks of steak and savory mushrooms. It’s ideal for dunking crusty bread and makes a comforting, flavorful meal.
French onion soup is beloved for its caramelized onions, hearty broth and melty cheese-topped bread. This version borrows that rich, savory profile while adding steak and mushrooms for extra substance.
Recipe
History of French Onion Soup
French onion soup dates back to 18th-century Paris. One popular story credits King Louis XV: after a long hunt he returned to sparse supplies and combined onions, butter and wine into a simple potage that became a hit. That serendipitous creation evolved into the classic we know today.
Adapting a Classic
I wanted the onion-forward comfort of French onion soup but also had beautiful sirloin and mushrooms to use, so I adapted the classic into this Steak and Mushrooms Soup for the Instant Pot. The result keeps the deep, caramelized onion flavor while adding rich beefy notes and meaty mushrooms for texture and depth.
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Why Use an Instant Pot
The Instant Pot makes this soup easy and hands-off. Instead of constant stirring on the stove, you can sear, add the remaining ingredients and let the Instant Pot handle the cooking. It’s convenient for busy days and produces a hot, comforting bowl with minimal active time.
Quick and Simple Steps
This soup comes together in just a few straightforward steps:
- Trim and cut the sirloin into bite-sized pieces.
- Heat olive oil and sear the steak in the Instant Pot using Sauté mode.
- Add the onions, mushrooms, beef stock, wine (or sherry) and seasonings.
- Seal the Instant Pot and cook on high pressure, then release as directed.
- Rest briefly, garnish and serve with crusty bread.
Serve with toasted bread or crackers for dunking and enjoy the deep, savory flavors. Cornbread also pairs nicely if you prefer a sweeter side.
More Instant Pot Recipes
Browse more Instant Pot recipes for additional ideas. Here are a few favorites to try next.
- Instant Pot Kielbasa and Lentils Soup
- Instant Pot Creamy Potato Soup
- Instant Pot Vegan Noodle Soup
- Creamy Tuscan Chicken Instant Pot Soup
Recipe
Steak and Mushrooms Soup Instant Pot Recipe
Equipment
- 6-quart Instant Pot pressure cooker
Ingredients
- 1.5 pounds sirloin steak
- 2 tablespoons olive oil
- 32 ounces beef stock
- 1 large onion, chopped
- 8 ounces baby bella mushrooms, sliced
- 1/2 cup red wine or sherry
- 1 tablespoon Worcestershire sauce
- 1 teaspoon salt
- 1/2 teaspoon ground pepper
Instructions
- Trim excess fat from the steak and discard. Cut the steak into bite-sized pieces.
- Set the Instant Pot to Sauté. Add the olive oil and heat for 1–2 minutes. Add the steak pieces and sear until browned on each side, about 4–5 minutes total.
- Press Cancel to stop Sauté mode.
- Add the chopped onion, sliced mushrooms, beef stock, wine (or sherry), Worcestershire sauce, salt and pepper. Stir to combine. Make sure the sealing ring is in place and the vent is clear. Place the lid on and set the valve to Sealing.
- Press Manual (or Pressure Cook) and set to High for 15 minutes. Allow a natural pressure release for 10 minutes, then perform a quick release for any remaining pressure.
- Remove the lid, turn off the Instant Pot, and let the soup rest about 5 minutes. Garnish with chopped green onion if desired. Serve with toasted bread or saltines; a side salad makes it a fuller meal. Makes 8 servings.
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Kitchen tip: When possible use a kitchen scale for dry ingredients for best accuracy. If you don’t have a scale, lightly stir flour and use the spoon-and-level method to avoid packing excess flour into a measuring cup.
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Percent Daily Values are based on a 2000 calorie diet. All amounts are estimates; 24Bite® does not guarantee exact nutritional figures. Calculate values from package labels if you have specific dietary needs. 24Bite®, Kim Guzman and Christian Guzman are not responsible for adverse reactions or other outcomes resulting from use of recipes on this site.
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