Breakfast Casserole

4 slices bread
12 to 16 ounces bacon or sausage, cooked and drained
2 cups shredded cheddar cheese
6 eggs, beaten
2 cups milk
1 teaspoon dry mustard

Grease the bottom of a 9"x13" pan. Tear up 4 slices of bread and place in the bottom of the pan. Sprinkle cooked crumbled bacon or sausage over bread pieces. Sprinkle cheddar cheese over the bacon or sausage. Mix eggs, milk and mustard together; pour over casserole. Bake at 350° for 35 to 40 minutes. Serves 4 to 6.