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Sausage Hashbrown Breakfast Casserole Recipe

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4.4 from 57 reviews

This sausage hashbrown breakfast casserole is a hearty and comforting dish combining crispy hashbrowns, savory breakfast sausage, eggs, and melted cheese. Perfect for busy mornings, holidays, or serving a crowd, it can be made ahead and baked for a delicious, satisfying breakfast.

  • Total Time: 1 hour
  • Yield: 8 servings

Ingredients

Sausage

  • 1 pound breakfast sausage

Hashbrowns

  • 1 (20–24 oz) bag frozen hashbrowns, thawed

Egg Mixture

  • 8 large eggs
  • 1 cup milk
  • ½ teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder

Cheese

  • 2 cups shredded cheddar cheese
  • ½ cup shredded mozzarella or Monterey Jack cheese

Other

  • 1 tablespoon butter or cooking spray (for greasing the dish)

Instructions

  1. Preheat and Prepare Dish: Preheat the oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or cooking spray to prevent sticking.
  2. Cook Sausage: In a skillet over medium heat, cook the breakfast sausage until browned and fully cooked, breaking it apart as it cooks. Drain excess grease to avoid greasiness in the casserole.
  3. Layer Hashbrowns: Spread the thawed hashbrowns evenly in the prepared baking dish, forming the base layer of the casserole.
  4. Add Sausage and Cheese: Sprinkle the cooked sausage evenly over the hashbrowns, then add the shredded cheddar and mozzarella (or Monterey Jack) cheeses on top, distributing them evenly.
  5. Prepare Egg Mixture: In a large bowl, whisk together the eggs, milk, salt, black pepper, garlic powder, and onion powder until combined and smooth.
  6. Pour Egg Mixture: Pour the egg mixture evenly over the casserole layers, ensuring it seeps through all the layers.
  7. Bake the Casserole: Bake uncovered at 375°F (190°C) for 40–45 minutes, until the center is set and the top is lightly golden and bubbly.
  8. Rest and Serve: Allow the casserole to rest for 5–10 minutes after baking to cool slightly and set further before slicing and serving.

Notes

  • You can substitute turkey sausage or chicken sausage for a leaner option.
  • Add diced bell peppers or onions to the sausage when cooking for extra flavor and veggies.
  • This casserole can be assembled the night before, covered, and refrigerated until ready to bake.
  • Leftovers store well in the refrigerator for up to 4 days and can be reheated easily.
  • Author: Jessica
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free