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Ultimate Breakfast Casserole Recipe

Ultimate Breakfast Casserole Recipe

4.7 from 17 reviews
  • Author: ChefEmma
  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Non-Vegetarian

Description

A hearty and satisfying breakfast dish, the Ultimate Breakfast Casserole is a flavorful combination of sausage, eggs, vegetables, and cheese baked to perfection. Ideal for feeding a crowd or meal prepping, this casserole is easy to make and packed with delicious ingredients.


Ingredients

For the Casserole:

  • 1 pound breakfast sausage
  • 1 tablespoon olive oil
  • 1 medium onion, diced
  • 1 red bell pepper, diced
  • 1 green bell pepper, diced
  • 3 cups frozen hash browns, thawed
  • 1 ½ cups shredded cheddar cheese, divided
  • 8 large eggs
  • 1 cup whole milk
  • ½ teaspoon garlic powder
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • 2 tablespoons chopped fresh parsley (optional)


Instructions

  1. Preheat the Oven: Preheat the oven to 375°F (190°C) and grease a 9×13-inch baking dish.
  2. Cook the Sausage: In a large skillet over medium heat, cook the sausage until browned and fully cooked. Remove and set aside.
  3. Sauté Vegetables: In the same skillet, sauté the onion and bell peppers until soft.
  4. Prepare Egg Mixture: In a bowl, whisk eggs, milk, garlic powder, salt, and pepper. Add sausage, vegetables, hash browns, and 1 cup of cheese. Mix well.
  5. Assemble and Bake: Pour the mixture into the baking dish. Top with remaining cheese. Bake for 40–45 minutes until set and golden.
  6. Rest and Serve: Let it rest for 5–10 minutes before slicing. Garnish with parsley if desired.

Notes

  • Make ahead by assembling the night before and refrigerating. Bake straight from the fridge, adjusting bake time if needed.
  • Variations: Substitute with bacon, ham, or veggies like mushrooms and spinach for a different twist.