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Make-Ahead Sausage and Hash Brown Breakfast Casserole

A square slice of hearty breakfast casserole featuring sausage, eggs, and a golden, cheesy top.
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This hearty, cheesy breakfast casserole combines savory sausage, fluffy eggs, and crispy hash browns into a comforting bake perfect for feeding a crowd or preparing ahead for busy mornings.

Ingredients

Scale
  • 1 pound breakfast sausage, casings removed
  • 1 (30 ounce) package frozen shredded hash browns, thawed
  • 1 cup chopped onion
  • 1 cup chopped bell pepper (any color)
  • 12 large eggs
  • 1 cup milk
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 2 cups shredded sharp cheddar cheese
  • 1/2 cup shredded Monterey Jack cheese

Instructions

  1. Preheat your oven to 350 degrees Fahrenheit. Lightly grease a 9×13 inch baking dish.
  2. Cook the breakfast sausage in a large skillet over medium heat, breaking it up as it cooks. Drain off any excess grease.
  3. Add the chopped onion and bell pepper to the skillet with the sausage. Cook until the vegetables soften, about 5 to 7 minutes. Remove from heat.
  4. In a large bowl, whisk together the eggs, milk, salt, and pepper until well combined.
  5. Spread the thawed hash browns evenly over the bottom of the prepared baking dish.
  6. Spoon the sausage and vegetable mixture over the hash browns. Sprinkle half of the cheddar cheese over the sausage layer.
  7. Slowly pour the egg mixture evenly over the sausage and hash brown layers. Gently press down to submerge the ingredients slightly.
  8. Cover the baking dish with foil. Bake for 30 minutes.
  9. Remove the foil. Sprinkle the remaining cheddar cheese and all of the Monterey Jack cheese over the top.
  10. Return the casserole to the oven, uncovered, and bake for another 15 to 20 minutes, or until the eggs are set in the center and the cheese is melted and lightly golden.
  11. Let the casserole rest for 10 minutes before slicing and serving.

Notes

  • For a make-ahead option, assemble the entire casserole through Step 5 (without baking). Cover tightly and refrigerate for up to 24 hours. When ready to bake, add 10 minutes to the initial covered baking time.
  • This recipe is excellent for holiday morning breakfast gatherings.
  • You can substitute turkey sausage for a leaner option in this high protein egg bake.

Nutrition

Find it online: https://www.unfoldrecipes.com/easy-breakfast-casserole-recipe/