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Fully Loaded Cheesy Breakfast Casserole Recipe


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3.9 from 31 reviews

  • Author: Alice
  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings
  • Diet: Gluten Free

Description

This Fully Loaded Cheesy Breakfast Casserole combines crispy potatoes, savory sausage, bacon, fluffy eggs, and melty cheese for a hearty and satisfying breakfast dish. Ideal for feeding a crowd or preparing ahead, this casserole is packed with flavor and easy to bake to golden perfection.


Ingredients

Meat

  • 1 lb breakfast sausage
  • 6 slices bacon, cooked and crumbled

Vegetables & Dairy

  • 4 cups frozen hash browns or diced potatoes, thawed
  • 8 large eggs
  • 1 cup milk
  • 2½ cups shredded cheddar or Colby-Jack cheese
  • ½ cup chopped green onions

Seasonings

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

Others

  • Cooking spray or butter for greasing


Instructions

  1. Preheat Oven and Prepare Dish: Preheat your oven to 375°F (190°C) and grease a 9×13-inch baking dish with cooking spray or butter to prevent sticking.
  2. Cook Sausage: In a skillet over medium heat, cook the breakfast sausage until browned and fully cooked. Drain any excess grease to keep the casserole from being too greasy.
  3. Layer Potatoes: Evenly spread the thawed hash browns or diced potatoes in the bottom of the prepared baking dish, creating a base layer.
  4. Add Meat and Cheese Layers: Sprinkle the browned sausage and crumbled cooked bacon evenly over the potatoes. Then, add half of the shredded cheese on top.
  5. Mix Egg Mixture: In a large bowl, whisk together the eggs, milk, salt, black pepper, and garlic powder until fully combined.
  6. Pour Egg Mixture: Carefully pour the egg mixture evenly over the layered ingredients in the baking dish, ensuring it spreads throughout the casserole.
  7. Add Toppings: Sprinkle the remaining cheese and chopped green onions evenly over the top for extra flavor and color.
  8. Bake: Place the casserole in the preheated oven and bake uncovered for 40–45 minutes, or until the eggs are set and the top is golden brown.
  9. Rest and Serve: Remove the casserole from the oven and allow it to rest for 5–10 minutes before slicing. This helps it set for easier serving.

Notes

  • Add diced bell peppers or onions for extra flavor and texture.
  • Swap bacon or sausage with ham to customize your protein choice.
  • Assemble the casserole the night before, cover, and refrigerate until ready to bake for convenient meal prep.
  • Leftovers can be stored in the refrigerator for up to 3 days and reheated before serving.
  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American