Turn your Instant Pot on sauté mode. Brown your beef.
Once the meat is browned, pour in the enchilada sauce. Mix well until fully incorporated.
Pour in 1.5 cups of cheese, and all of the sliced tortillas. You can also add black beans, corn, or black olives. Stir everything well at this point until completely incorporated.
Pour in the remaining cheese, and add the lid to the Instant Pot. Close the valve.
Cook on “High” for 3 minutes to melt the cheese. Release the pressure manually.
Once done, serve with more olives, sour cream, and/or cilantro as garnish.