Brunch Casserole
["6 eggs", "2 1/2 c. milk", "9 slices cubed bread", "1 can mushroom soup", "1/4 c. onion, chopped", "2 lb. sausage", "3/4 tsp. mustard", "2 c. cheese", "1/2 c. milk"]
["Mix together eggs, sausage, 2 1/2 cups milk and mustard. Layer with bread and cheese in a 9 x 13-inch pan. Cover and refrigerate overnight."]
["eggs", "milk", "bread", "mushroom soup", "onion", "sausage", "mustard", "cheese", "milk"]