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5 from 20 votes

Sausage Hashbrown Breakfast Casserole

This Sausage Hashbrown Breakfast Casserole makes the best breakfast or brunch, especially if you need to feed a crowd! Layered with shredded hashbrowns, sausage, bell peppers, onions, eggs, and melted cheese. Prep this breakfast casserole the night before or make it the day ahead! 
Prep Time10 minutes
Course: Breakfast
Cuisine: American
Keyword: breakfast casserole, breakfast hashbrown casserole, hasbrown breakfast casserole, Sausage Hashbrown Breakfast Casserole
Servings: 12 servings

Ingredients

  • 15 ounces shredded hash browns
  • 1 pound crumbled breakfast sausage cooked and drained
  • 1/4 cup yellow onion diced
  • 1/3 cup red bell pepper diced
  • 8 whole eggs
  • 1/4 teaspoon garlic powder
  • 1/4 teaspoon onion powder
  • 1/2 teaspoon Italian seasoning
  • 1/4 teaspoon salt and black pepper
  • 1 cup milk
  • 2 cups shredded sharp cheddar cheese

Instructions

  • Preheat oven to 350 degrees F. Grease a 9 x 13-inch baking or casserole dish with nonstick cooking spray. Set aside.
  • In a large bowl, whisk together the eggs, milk, and seasonings until smooth.
  • Layer the baking dish starting with the hashbrowns, then top with cooked sausage crumbles, bell peppers, onions, and 1 cup of cheese.
  • Add the egg mixture on top then sprinkle the top of the casserole with the remaining cheese.
  • Cover the casserole with foil and bake for 40 minutes. Carefully remove the foil and bake for another 5 minutes or until the eggs are set. Let the casserole cool for a few minutes before serving. Cut into squares and enjoy!

Notes

Recipe Notes: 
  • To Store: cover the casserole tightly with plastic wrap and place in the refrigerator for up to 3-4 days. Reheat in the microwave or oven when ready to eat. 
  • To Freeze: you can cover the whole casserole with plastic wrap, then with foil, and freeze for up to 3-4 months. You can also cut the casserole into squares, wrap each serving with plastic wrap, then place in a heavy-duty plastic bag. When ready to defrost, let the casserole or casserole squares defrost overnight in the refrigerator. Reheat in the microwave or oven.
  • Other meat protein options to add in or use instead of sausage are crumbled bacon, chorizo, ground beef, turkey bacon, and diced ham.
  • I always recommend shredding your own cheese yourself so it's extra melty.
  • If you want your hashbrowns to be crispy, brown them in a skillet before layering the ingredients. 
  • Make this vegetarian by omitting the sausage and adding extra veggies such as zucchini, mushrooms, fresh spinach, and tomatoes.