12 slices bread (your choice)
1 lb. grated Cheddar cheese
Browned, drained, crumbled breakfast meat (bacon, ham cubes, sausage)
8 beaten eggs
2 1/4 c. milk
3/4 tsp. dry mustard
Salt and pepper to taste
1 can cream of mushroom soup
1/2 c. milk
1 can mushrooms (optional)

Grease 9x13 inch pan. Break bread into pan. Sprinkle with cheese. Top with meat. Combine eggs, milk, and seasonings, and pour over bread, egg, meat mixture. Cover with Saran Wrap and refrigerate overnight.

Before baking, combine soup, milk, mushrooms and pour over entire casserole. Bake 1 1/2 hours at 350 degrees.