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Make-Ahead Breakfast Casserole

A single slice of golden brown breakfast casserole on a white plate, ready to eat.

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A crowd-pleasing breakfast casserole that you can assemble the night before and reheat for a delicious brunch or easy weekday meal.

Ingredients

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  • 1 pound breakfast sausage
  • 1 cup chopped onion
  • 1 cup chopped bell pepper
  • 6 large eggs
  • 1 cup milk
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 2 cups shredded cheddar cheese
  • 4 slices bread, cubed

Instructions

  1. In a skillet, cook sausage, onion, and bell pepper until sausage is browned and vegetables are tender. Drain excess grease.
  2. In a large bowl, whisk together eggs, milk, salt, and pepper.
  3. Stir in the cooked sausage mixture and 1 cup of cheddar cheese.
  4. Add the cubed bread and stir to combine.
  5. Pour the mixture into a greased 9×13 inch baking dish.
  6. Cover and refrigerate overnight.
  7. Preheat oven to 350°F (175°C).
  8. Uncover the casserole and sprinkle with the remaining 1 cup of cheddar cheese.
  9. Bake for 40-50 minutes, or until the casserole is set and golden brown.
  10. Let stand for 5 minutes before serving.

Notes

  • For a vegetarian option, omit the sausage and add more vegetables like mushrooms or spinach.
  • This casserole freezes well. Let it cool completely, then wrap tightly and freeze for up to 2 months. Reheat in the oven or microwave.
  • You can customize the cheese to your preference, using Monterey Jack or a Mexican blend.

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