Healthy Spinach Breakfast Casserole

Ingredients 

2 1/2 cups of seasoned croutons 

1 can (4.5oz) mushrooms, chopped 

1 lb pork sausage, cooked and crumbled 

4 eggs

2 1/4 cups milk

1 can of cream of mushroom soup

1 pk of chopped spinach 

1 cup Montery Jack cheese 

1 cup cheddar cheese 

1/4 tsp. dry mustard

Directions 

Spread croutons on a greased 9x13 baking dish. Crumble sausage over croutons. In a large bowl whisk eggs and milk. Stir in soup, spinach, mushroom, 2 cheeses, and dry mustard. Pour egg mixture over the sausage and croutons. Refrigerate overnight. Next morning preheat oven to 325 degrees. Bake for 55 minutes.