Breakfast Casserole
["3 to 4 c. filling (any combo you have) *", "1 c. shredded Cheddar, Mozzarella or Swiss cheese", "4 eggs", "2 c. milk", "1 c. Bisquick"]
["*May use bacon, sausage or ham (cooked), chopped onions, tomatoes, diced potatoes (browned in bacon grease)."]
["filling", "Swiss cheese", "eggs", "milk", "Bisquick"]