Large Family Breakfast Casserole

Large Family Breakfast Casserole
2 pounds sausage
8 cups bread, cut into pieces
4 cups cheddar cheese, shredded
20 eggs, beaten
8 cups milk
2 tsp dry mustard
1 tsp onion powder, garlic powder

Cook crumbled sausage until done, drain. Thickly butter two 9x13 pans. Add bread. Sprinkle with cheese. Combine milk, eggs, and spices. Pour over bread and cheese. Sprinkle evenly with sausage. Cover and chill overnight. Preheat oven to 325, and bake casseroles uncovered for 1 hour.