2 pkgs. sausage, Swift Premium or Brown & Serve "Original Links", browned, drained & cut up
3 c. croutons, Brownberry (seasoned)
3 c. sharp Cheddar cheese, grated
6 eggs, beaten
2 1/2 c. milk

Butter dish (9 x 13 inches). Put croutons on bottom, sausage on top of croutons. Mix together beaten eggs and milk. Add cheese. Pour on top of sausage. Mix 1 can cream of mushroom soup and 1/4 cup milk and 1 can mushrooms (optional). Pour on top of milk and cheese. Refrigerate overnight or several hours. Bake at 350 degrees for 45 minutes. Shorter if using glass baking dish.