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Crispy Hash Brown Breakfast Casserole with Sausage and Cheese

crispy hash brown breakfast casserole - featured image

A quick and easy breakfast casserole featuring crispy hash browns, savory sausage, and melty cheddar and mozzarella cheeses. Perfect for busy mornings or brunch gatherings.

Ingredients

Scale
  • 4 cups frozen shredded hash browns (about 450g)
  • 1 lb breakfast sausage (mild or spicy, about 450g)
  • 2 cups shredded sharp cheddar cheese (about 200g)
  • 1 cup shredded mozzarella cheese (about 100g)
  • 6 large eggs, room temperature
  • 1 cup milk (whole or 2%, 240ml)
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • Salt to taste (about 1 tsp)
  • Black pepper to taste (about ½ tsp)
  • Optional: 2 tbsp fresh parsley or chives, chopped

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. In a large skillet over medium heat, crumble and cook the sausage until browned and cooked through, about 7-8 minutes. Use a slotted spoon to remove it, leaving a bit of the fat in the pan.
  3. Add chopped onion and minced garlic to the sausage fat. Cook until softened and fragrant, about 3-4 minutes. Remove from heat.
  4. In a large bowl, whisk together eggs, milk, salt, and pepper to create the custard mixture.
  5. In another large mixing bowl, stir together hash browns, cooked sausage, sautéed onion and garlic, and half of the shredded cheddar and mozzarella cheeses.
  6. Pour the egg mixture over the hash brown mixture and gently fold until everything is evenly coated. Do not overmix.
  7. Lightly grease a 9×13-inch baking dish. Spread the mixture evenly and press down lightly with the back of a spatula to compact the layers.
  8. Sprinkle the remaining cheddar and mozzarella evenly over the top.
  9. Bake for 40-45 minutes until the top is golden and crispy and the center is set (a toothpick inserted should come out clean).
  10. Let the casserole rest for 5-10 minutes before slicing and serving.

Notes

Do not thaw hash browns completely to avoid sogginess; slightly frozen or just thawed works best. Press the mixture firmly into the baking dish for crispy edges. Tent with foil if the top browns too quickly. Broil for 1-2 minutes at the end for extra crispiness. For a vegetarian version, substitute sausage with sautéed mushrooms, bell peppers, and spinach.

Nutrition

Keywords: hash brown casserole, breakfast casserole, sausage and cheese, crispy breakfast, easy breakfast recipe, brunch recipe