Pressure Cooker Beef Stroganoff

INGREDIENTS

2 lb

beef round steak (cut into 1-inch pieces (I used Top Round London Broil and Eye of Round))

salt and freshly ground black pepper (for seasoning)

2 tbsp

vegetable oil (I used avocado oil, divided, plus more as needed)

medium sized onion (chopped)

2 cloves

garlic (minced )

2 tbsp

tomato paste

1 1/2 cups

beef broth

1 tbsp

butter

12 oz

mushrooms (sliced)

2 tbsp

cornstarch

3 tbsp

cold water

1/3 cup

sour cream

cooked egg noodles (for serving)