2 1/2 c. seasoned croutons
2 c. Cheddar cheese, shredded
2 lbs. sausage, fried and crumbled
4 eggs
3 c. milk
3/4 tsp. dry mustard
1 can cream of mushroom soup

Grease a 9x13 pan and layer with croutons, cheese and then sausage. Beat eggs, mustard and 1/2 cup of milk. Pour over layered ingredients. Cover dish and refrigerate overnight. Mix 1/2 cup milk and soup and spread over the top of casserole. Bake for 1 1/2 hours in a 300 degree oven.