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Sausage Hash Brown Breakfast Casserole Recipe

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3.9 from 73 reviews

Sausage hash brown breakfast casserole is a hearty and satisfying dish featuring crispy hash browns layered with savory breakfast sausage, fluffy eggs, and melted cheese. Ideal for make-ahead breakfasts, holiday mornings, or feeding a crowd with minimal effort, this casserole combines comforting flavors into one delicious bake.

  • Total Time: 1 hour
  • Yield: 8 servings

Ingredients

Meat

  • 1 pound breakfast sausage

Vegetables and Potatoes

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

Dairy and Eggs

  • 8 large eggs
  • 1 cup milk
  • 2 cups shredded cheddar cheese
  • ½ cup shredded Monterey Jack or mozzarella cheese
  • 1 tablespoon butter or cooking spray (for greasing the dish)

Spices and Seasonings

  • ½ teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder

Instructions

  1. Preheat and prepare dish: Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish evenly with butter or cooking spray to prevent sticking and facilitate easy cleanup.
  2. Cook the sausage: In a skillet over medium heat, cook the breakfast sausage until it is browned and fully cooked through. Drain any excess grease to keep the casserole from becoming too oily.
  3. Layer hash browns: Spread the thawed hash browns evenly across the bottom of the prepared baking dish to form the base layer of the casserole.
  4. Add sausage layer: Sprinkle the cooked sausage evenly over the layer of hash browns to distribute the savory meat flavor throughout the casserole.
  5. Top with cheese: Sprinkle the shredded cheddar cheese and Monterey Jack (or mozzarella) cheese evenly over the sausage layer for a rich, gooey topping.
  6. Mix the egg custard: In a large bowl, whisk together the eggs, milk, salt, black pepper, garlic powder, and onion powder until fully combined to create the flavorful egg mixture.
  7. Pour egg mixture: Pour the whisked egg mixture evenly over the layered casserole, allowing it to soak into the hash browns and sausage.
  8. Bake the casserole: Place the casserole in the preheated oven and bake uncovered for 40–45 minutes. The casserole is done when the center is set and the top is lightly golden brown.
  9. Rest before serving: Remove the casserole from the oven and let it rest for 5–10 minutes to firm up, making it easier to slice and serve.

Notes

  • For crispier hash browns, sauté them lightly in a skillet before assembling the casserole.
  • Add diced onions, bell peppers, or mushrooms for added flavor and extra veggies.
  • This casserole can be assembled the night before and baked fresh the next morning for convenience.
  • Store any leftover casserole in an airtight container in the refrigerator for up to 4 days.
  • Author: Jessica
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free