1/3 C. sour cream
2 C. Monterey Jack cheese, grated (can substitute cheddar, muenster, etc.)
salt and pepper to taste
choice of additions: chopped green onions, fresh dill, sauteed mushrooms, diced ham, chopped zucchini or as desired.
Preheat oven to 350 degrees. Beat eggs until frothy, add sour cream, mixing well. Stir in cheese, salt and pepper, and prepared vegetables and/or meat as desired. Pour into a greased 8x8 baking pan. Bake 25-30 minutes, or until casserole doesn't wobble when jiggled.