Recipe information
Ingredients for - Make Ahead Breakfast Casserole
How to cook deliciously - Make Ahead Breakfast Casserole
1. Stage
Spread croutons on bottom of greased 9x13 inch baking dish. Crumble sausage into medium skillet. Cook over medium heat until browned, stirring occasionally. Drain off any drippings. Spread sausage over croutons.
2. Stage
In a large bowl, whisk together eggs and milk until well blended. Stir in soup, spinach, mushrooms, cheeses and mustard. Pour egg mixture over sausage and croutons. Refrigerate overnight.
3. Stage
The next morning, preheat oven to 325 degrees F (165 degrees C).
4. Stage
Bake in preheated oven for 50 to 55 minutes or until set and lightly browned on top. Garnish with parsley sprigs and serve hot. DOTDASH MEREDITH FOOD STUDIOS