Nacho Cheese Sauce

Melt 3 - 4 Tbs butter in your skillet.
Add 2 tablespoons of all purpose flour.
Add 1 cup of whole milk.
Add a 1/4 teaspoon of sea salt and ⅛ teaspoon of cayenne pepper. Then stir.
Add 8 ounces of cheese. Stir until cheese melts