Cheryl'S Mushroom Quiche
["2 to 3 c. croutons (any flavor)", "4 oz. can mushroom pieces", "1 to 1 1/2 c. cheese, grated", "2 c. milk", "1 lb. bulk sausage, browned", "1 can mushroom soup", "6 eggs, beaten", "salt, pepper and dry mustard"]
["Layer croutons, sausage, mushroom pieces, soup and cheese in this order in 9 x 13-inch greased casserole.", "Beat eggs, milk and seasonings together and pour over ingredients in casserole.", "Cover and let sit in refrigerator overnight."]
["croutons", "mushroom pieces", "cheese", "milk", "bulk sausage", "mushroom soup", "eggs", "salt"]