2 1/2 c. croutons
2 c. sharp grated cheese
1 1/2 lbs. breakfast sausage, browned and drained
4 eggs, beaten
2 3/4 c. milk
3/4 tsp. dry mustard
1 can cream of mushroom soup

Place 2 1/2 cups of croutons in bottom of an 8 x 12 baking dish. Top with 2 cups sharp grated cheese. Place 1 1/2 lbs. browned sausage on top of cheese. Mix 4 beaten eggs with 2 1/4 cups of milk and dry mustard. Then pour over sausage and cheese. (At this point it may be refrigerated overnight if you wish). Top mixture with 1 can cream of mushroom soup diluted with 1/2 cup milk. Bake at 300 degrees about 1 1/2 hours until soft brown and firm.