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Make-Ahead Sausage and Cheese Christmas Breakfast Casserole

Close-up of a square slice of christmas breakfast casserole with sausage and a golden-brown cheesy top.

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Prepare this hearty sausage, egg, and cheese casserole the night before Christmas for a stress-free holiday morning. This recipe is perfect for feeding a crowd.

Ingredients

Scale
  • 1 pound breakfast sausage, cooked and drained
  • 12 slices white bread, cubed
  • 2 cups shredded cheddar cheese, divided
  • 8 large eggs
  • 2 cups milk
  • 1 teaspoon dry mustard powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper

Instructions

  1. Grease a 9×13 inch baking dish.
  2. Spread half of the cubed bread evenly over the bottom of the prepared dish.
  3. Sprinkle half of the cooked sausage and 1 cup of the cheddar cheese over the bread layer.
  4. Top with the remaining bread, sausage, and the remaining 1 cup of cheese.
  5. In a large bowl, whisk together the eggs, milk, dry mustard, salt, and pepper until combined.
  6. Pour the egg mixture evenly over the casserole layers. Press down gently to help the bread absorb the liquid.
  7. Cover the dish tightly with plastic wrap or foil. Refrigerate for at least 8 hours, or overnight.
  8. When ready to bake, preheat your oven to 350 degrees F. Remove the plastic wrap.
  9. Bake uncovered for 45 to 55 minutes, or until the casserole is puffed and a knife inserted near the center comes out clean.
  10. Let the casserole rest for 10 minutes before you cut and serve it.

Notes

  • For a different flavor, substitute ham or bacon for the sausage.
  • This recipe works well with a slow cooker; cook on low for 6-8 hours after assembling and refrigerating overnight.
  • If you are interested in structured eating, this recipe fits well within a general meal planning approach.

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