Overnight Breakfast Casserole

2-3 slices bread (cut in squares)
1 c. sharp cheese, grated
6 eggs, beaten
Salt
1 lb. bulk sausage
2 c. milk
1/2 tbsp. dry mustard

Place bread pieces in greased casserole. Brown sausage and drain. Spread over bread. Add 1 cup grated cheese. Make mixture of 6 eggs, 2 cups milk, salt and 1/2 tablespoon dry mustard. Pour over above and refrigerate overnight. Bake 1 hour at 350 degrees. Excellent for brunch or breakfast when you have guests.