5 from 1 vote
Instant Pot Philly Cheese Steak Soup
  • 3 cups beef stock
  • 2 cups milk
  • 1 lb roast beef cut into bite sized pieces
  • 2 medium sized green peppers diced
  • 1 medium sized sweet onion diced
  • 8 oz sliced mushrooms roughly chopped
  • 2 tbsp butter
  • 1/2 cup flour
  • 2 tbsp minced garlic
  • 1 tsp salt
  • 1 tsp pepper
  • 1/2 tsp Italian seasoning
  • 1/2 tsp garlic powder
  • 1/2 tsp onion powder
  • 2 1/2 cups monterey jack cheese
  1. Turn your Instant Pot on to saute and add butter. When Butter is melted, add garlic, green peppers, and onions. Cook until the onions start to become translucent (about 3-5 minutes).
  2. Add mushrooms and cook for another minute. Click the off button on the Instant Pot.
  3. Add roast beef, beef stock, and seasonings.
  4. Place lid on Instant Pot and cook on manual high pressure for 10 minutes. When timer is up, allow for a 10 minute natural pressure release. After 10 minutes, release all of the remaining pressure. 
  5. Turn Instant Pot on to saute and stir in the milk/flour mixture. Cook on saute until soup starts to thicken (about 3-5 minutes). When soup is thick, add cheese and stir until well combined. 
  6. Serve with crusty bread and enjoy!