Chili Relleno Casserole
["12 roasted green chilies (or 4 to 5 cans whole chilies)", "1 lb. ground beef", "1 lb. grated Cheddar cheese", "1 lb. grated Monterey Jack cheese (2 c.)", "4 eggs, separated", "1 large can evaporated milk", "4 Tbsp. flour", "salt and pepper to taste"]
["Brown beef and season.", "Layer half the chilies in a large casserole dish.", "Layer beef and cheese.", "Layer remaining chilies. Beat egg whites until stiff.", "In a separate bowl, mix flour and salt and pepper.", "Fold in egg whites.", "Pour over chilies.", "Bake in a 325\u00b0 oven for 40 to 45 minutes."]
["green chilies", "ground beef", "Cheddar cheese", "grated Monterey", "eggs", "milk", "flour", "salt"]