1/2 lb. mild cheddar cheese, grated
1 lb. bacon, cooked and crumbled
6 eggs
3 c. milk
1 tsp. dry mustard
1/2 loaf bread, remove crusts and cut each slice into 4 strips
Onion or mushrooms

Butter a 9" x 13" pan and line with bread strips. Whisk eggs, milk, mustard and salt and pepper. Spread cheese and bacon over bread strips. Pour egg mixture over all. Cover and refrigerate for 24 hours. Bake 1 hour at 350 degrees.