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Overnight Sausage and Spinach Breakfast Bake

Overnight Sausage and Spinach Breakfast Bake combines spicy pork sausage with creamy eggs, tender spinach, and mushrooms over a base of seasoned croutons. Melted Cheddar and Monterey Jack create a rich, comforting bite with subtle warmth from dry mustard. It’s perfect for prepping the night before and baking for a relaxed weekend brunch or holiday morning.

  • Prep25 mins
  • Cook55 mins
  • Serves10
  • DifficultyEasy
Overnight Sausage and Spinach Breakfast Bake
  1. 1

    Spread the croutons over the bottom of a greased 9x13 inch baking dish.

  2. 2

    Crumble the sausage into a medium skillet.

  3. 3

    Cook over medium heat, stirring occasionally, until browned.

  4. 4

    Drain off any drippings.

  5. 5

    Spread the sausage over the croutons.

  6. 6

    In a large bowl, whisk the eggs and milk until well blended.

  7. 7

    Stir in the soup, spinach, mushrooms, cheeses, and mustard.

  8. 8

    Pour the egg mixture over the sausage and croutons.

  9. 9

    Refrigerate overnight.

  10. 10

    The next morning, preheat the oven to 325 degrees F (165 degrees C).

  11. 11

    Bake in the preheated oven for 50 to 55 minutes, or until set and lightly browned on top.

  12. 12

    Garnish with parsley sprigs and serve hot.