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Sausage and Hash Brown Breakfast Casserole

Sausage and hash brown breakfast casserole recipe in a white baking dish.

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This hearty casserole is the ultimate make-ahead breakfast or brunch centerpiece. It layers savory sausage, golden hash browns, fluffy eggs, and melty cheese for a comforting, satisfying meal that feeds a crowd with minimal fuss.

Ingredients

Scale
  • 1 pound bulk breakfast sausage (mild or spicy)
  • 1 (30 oz) bag frozen shredded hash browns, thawed (about 6 cups)
  • 1 medium yellow onion, diced
  • 1 red bell pepper, diced
  • 2 cups shredded cheddar cheese, divided
  • 8 large eggs
  • 1 ½ cups whole milk
  • 1 cup sour cream
  • 1 teaspoon garlic powder
  • 1 teaspoon dried parsley
  • ½ teaspoon smoked paprika
  • ½ teaspoon salt (adjust based on sausage saltiness)
  • ½ teaspoon black pepper
  • Cooking spray or butter for greasing

Instructions

  1. Preheat oven to 375°F (190°C). Generously grease a 9×13 inch baking dish.
  2. In a large skillet over medium heat, cook the sausage, breaking it up, until no longer pink. Add the onion and bell pepper and cook for 5-7 minutes until softened. Drain excess grease.
  3. Spread the thawed hash browns evenly in the prepared baking dish. Top with the cooked sausage and veggie mixture. Sprinkle 1 cup of the cheddar cheese over the top.
  4. In a large bowl, whisk the eggs, milk, and sour cream until smooth. Whisk in the garlic powder, parsley, smoked paprika, salt, and black pepper.
  5. Pour the egg mixture evenly over the layers in the baking dish. Gently shake the dish to help the liquid settle. Top with the remaining 1 cup of cheddar cheese.
  6. Bake for 55 to 65 minutes, until the center is set and the top is golden brown. If browning too quickly, tent loosely with foil for the last 15 minutes.
  7. Let the casserole rest for 10 minutes before slicing and serving.

Notes

Thaw hash browns completely to avoid a watery casserole. Letting the baked casserole rest is crucial for clean slices. For make-ahead, assemble the night before, cover, and refrigerate, then bake as directed (may need a few extra minutes).

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