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The Ultimate Make-Ahead Sausage, Egg, and Hash Brown Breakfast Casserole

A golden, cheesy slice of breakfast casserole featuring eggs, sausage, and hash browns, served on a white plate.
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This hearty breakfast casserole uses crispy hash browns, savory sausage, eggs, and cheese. Prepare it the night before for stress-free mornings or serve it for a crowd-pleasing brunch.

Ingredients

Scale
  • 1 pound breakfast sausage, casings removed
  • 1 (32 ounce) bag frozen shredded hash browns, thawed
  • 1 cup chopped onion
  • 1/2 cup chopped green bell pepper
  • 12 large eggs
  • 1 1/2 cups milk
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon garlic powder
  • 2 cups shredded sharp cheddar cheese

Instructions

  1. Preheat your oven to 375 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. In the same skillet, add the chopped onion and bell pepper to the cooked sausage. Cook until the vegetables soften, about 5 minutes.
  4. Spread the thawed hash browns evenly across the bottom of the prepared baking dish.
  5. Spoon the sausage and vegetable mixture over the hash browns. Sprinkle 1 cup of the shredded cheddar cheese over the top.
  6. In a large bowl, whisk together the eggs, milk, salt, pepper, and garlic powder until well combined.
  7. Pour the egg mixture evenly over the sausage and hash brown layers in the baking dish. Gently press down on the ingredients to help them absorb the egg mixture.
  8. Cover the dish tightly with aluminum foil. Refrigerate for at least 4 hours, or preferably overnight.
  9. When ready to bake, preheat the oven to 375 degrees Fahrenheit if you refrigerated it overnight. Remove the foil and cover the dish with foil again. Bake for 30 minutes.
  10. Remove the foil and sprinkle the remaining 1 cup of cheddar cheese over the top. Bake uncovered for another 15 to 20 minutes, or until the eggs are set and the cheese is melted and lightly golden.
  11. Let the breakfast casserole rest for 5 to 10 minutes before slicing and serving.

Notes

  • For make-ahead preparation, assemble the entire casserole through step 5, cover, and refrigerate overnight. When ready to bake, let it sit on the counter for 30 minutes while the oven preheats, then proceed with baking instructions starting from step 10 (baking covered).
  • You can substitute the breakfast sausage with cooked bacon or ham for a different flavor profile.
  • This recipe makes a great freezer meal; wrap cooled leftovers tightly and freeze for up to 3 months. Thaw overnight in the refrigerator before reheating.

Nutrition

Find it online: https://daisyrecipe.com/make-ahead-breakfast-casserole-sausage-egg/