Instant Pot Creamy Shells and Beef is pure comfort food. This easy Instant Pot dinner recipe is so creamy and cheesy. Pasta shells and ground beef are cooked in a tomato sauce and then Parmesan cheese, cream, and cream cheese get mixed in.
Add olive oil to the inner pot of an Instant Pot. Turn on "Saute" mode. Add onion and cook until starting to get soft.
Add ground beef and cook and crumble it with a wooden spoon until no longer pink. Turn Instant Pot off.
Add Italian seasoning, salt, pepper, garlic powder, crushed red pepper flakes and tomato paste and stir.