Wake-Up Casserole
["2 c. seasoned croutons", "1 c. shredded Cheddar cheese", "1 (4 oz.) can mushroom pieces, drained (optional)", "1 1/2 lb. sausage", "1/2 c. onion, chopped", "6 eggs", "2 c. milk", "1/2 tsp. salt", "1/2 tsp. pepper", "1/2 tsp. dry mustard", "1 (10 3/4 oz.) can cream of mushroom soup", "1/2 c. milk"]
["Place croutons in a greased 13 x 9 x 2-inch pan. Top with cheese and mushrooms. Brown sausage and onion. Drain and spread over cheese. Beat eggs with 2 cups milk and seasonings. Pour over sausage. Cover and refrigerate overnight. Mix soup with 1/2 cup milk and spread on top of casserole before baking. Bake in a 325\u00b0 oven for 60 minutes."]
["croutons", "Cheddar cheese", "mushroom", "sausage", "onion", "eggs", "milk", "salt", "pepper", "dry mustard", "cream of mushroom soup", "milk"]