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Crispy Hash Brown Breakfast Casserole with Cheesy Sausage

crispy hash brown breakfast casserole - featured image

A hearty and easy breakfast casserole featuring crispy hash browns, savory sausage, and melty cheese, perfect for brunch or breakfast gatherings.

Ingredients

Scale
  • 4 cups (about 600g) frozen shredded hash browns
  • 1 pound (450g) ground breakfast sausage
  • 2 cups (200g) shredded cheese (sharp cheddar and Monterey Jack blend)
  • 6 large eggs, room temperature
  • 1 cup (240ml) milk (whole or 2%, or almond/oat milk for dairy-free)
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • Salt to taste (about 1 teaspoon)
  • Black pepper to taste (about ½ teaspoon)
  • 2 tablespoons fresh parsley, chopped (optional)
  • 1 tablespoon olive oil or butter

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. Heat olive oil or butter in a large skillet over medium heat. Add ground sausage, breaking it apart with a spatula. Cook until browned and cooked through, about 7-8 minutes. Drain excess fat if needed.
  3. Add finely chopped onion and minced garlic to the skillet with the sausage. Cook for 3-4 minutes until softened and fragrant. Remove from heat and set aside.
  4. In a large mixing bowl, whisk together 6 large eggs and 1 cup milk. Season with salt and black pepper.
  5. Fold frozen hash browns and shredded cheese into the egg mixture until just combined.
  6. Add the cooked sausage, onion, and garlic mixture to the bowl. Stir gently to evenly distribute all components.
  7. Lightly grease a 9×13 inch baking dish. Pour the mixture in and spread evenly. Pat down slightly with a spatula to compact it.
  8. Bake in the preheated oven for 40-45 minutes until the casserole is set in the center and edges are golden and crispy. Test doneness with a toothpick; it should come out clean.
  9. Let the casserole cool for 5-10 minutes before slicing.
  10. Garnish with fresh chopped parsley and serve warm, optionally with hot sauce or ketchup.

Notes

Press the mixture firmly into the baking dish to achieve crispy edges. Let the casserole rest after baking for easier slicing. Drain excess fat from sausage to avoid sogginess. Use room temperature eggs for better binding. Can be assembled the night before and refrigerated; add extra baking time if baking cold. Cover with foil if edges brown too quickly.

Nutrition

Keywords: hash brown casserole, breakfast casserole, cheesy sausage, brunch recipe, easy breakfast, crispy hash browns