Brown the sausage in a skillet and drain excess grease.

Whisk eggs, milk, salt, and pepper in a bowl.

Layer bread, sausage, and cheese in a greased 9-by-13-inch dish.

Pour the egg mixture over the layers. Cover and chill overnight, or freeze for up to two months.

Thaw overnight in the refrigerator. Spread gravy over the top.

Bake uncovered at 350°F for 45 to 50 minutes, until the center is set.