1/2 c. Bisquick
1 1/2 c. milk (skim, 1%, 2%, or whole)
3 eggs
1 cube butter, melted
1/4 tsp. salt
Dash of pepper
2 tsp. sauteed chopped onion

Mix all these ingredients in blender until frothy. Pour into 9-inch pie pan and add whatever other ingredients you may want, mixing them lightly with the basic mixture: 1/2 c. crumbled crisp bacon or ham, mushrooms, shrimp, chopped frozen spinach, etc.

Bake at 350 degrees for 45 minutes. Let it set for 10 minutes. May be served hot or cold. (May also be baked for 35 minutes day before serving, then finish baking for 15 or 10 minutes on the day it is to be served.)