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Crispy Breakfast Casserole: Easy Make-Ahead Sausage Hash Brown Recipe

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A comforting, make-ahead breakfast casserole featuring crispy frozen hash browns, savory sausage, and a rich egg custard baked to golden perfection.

Ingredients

Scale
  • 1 lb breakfast sausage (pork or turkey)
  • 32 oz frozen shredded hash browns
  • 8 large eggs
  • 1 cup whole milk
  • 2 cups shredded cheddar cheese
  • 1 cup shredded Monterey Jack cheese
  • 1 medium yellow onion, diced
  • 2 cloves garlic, minced
  • 4 tbsp butter, melted
  • 1 tsp dried basil
  • Salt and black pepper to taste
  • 1/2 tsp red pepper flakes (optional)

Instructions

  1. Preheat oven to 375°F (190°C) and grease a 9×13 inch baking dish.
  2. In a large skillet over medium-high heat, cook the sausage until browned, breaking it into crumbles (5-7 minutes).
  3. Add diced onion and minced garlic to the skillet; cook until onions are translucent (2-3 minutes). Drain excess grease.
  4. In a large bowl, toss frozen hash browns with melted butter until evenly coated.
  5. Spread the coated hash browns in an even layer in the prepared baking dish.
  6. Sprinkle the cooked sausage and onion mixture evenly over the hash browns.
  7. Sprinkle shredded cheddar and Monterey Jack cheese over the sausage layer.
  8. In a separate bowl, whisk eggs, milk, dried basil, salt, and pepper until smooth.
  9. Pour the egg mixture evenly over the layered ingredients, pressing down gently to ensure liquid reaches the bottom.
  10. Bake for 45-50 minutes until the top is golden brown and the center is set.
  11. Let the casserole rest for 10 minutes before cutting and serving.

Notes

For best results, use frozen hash browns straight from the freezer. If using fresh potatoes, par-boil them for 5-7 minutes first. Let the casserole rest for 10 minutes after baking to allow the eggs to set properly. Can be assembled the night before and refrigerated; add 5-10 minutes to baking time if baking from cold.

Nutrition

Keywords: breakfast casserole, sausage hash brown, make-ahead breakfast, easy brunch, comfort food, egg bake, crispy potatoes