1 (7 oz.) box croutons
2 lb. pork sausage, browned
8 oz. grated cheddar cheese
4 eggs, beaten
1 1/2 c. milk
1/2 tsp. salt
1/8 tsp. pepper
1/2 tsp. dry mustard
1 can mushroom soup
1/2 c. milk
4 oz. can mushrooms

Grease the bottom of 9 x 13 inch pan. Layer the first 3 ingredients in order. Mix the egg, milk, salt, pepper and mustard; pour over layers and refrigerate overnight. In the morning, mix the soup, milk and mushrooms and pour over the top. Cover and bake for 1 1/2 hours at 300 degrees (uncover last 1/2 hour).