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Breakfast Casserole


  • Author: Avery
  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings 1x
  • Diet: Omnivore

Description

This hearty breakfast casserole with eggs, sausage, and cheese is the perfect make-ahead dish for busy mornings, lazy weekends, or holiday brunch. Loaded with savory sausage, tender hash browns, and melty cheddar, it bakes up golden and satisfying. Serve it hot from the oven for a crowd-pleasing, protein-packed start to the day.


Ingredients

Scale
  • 8 large eggs
  • 1 cup milk (whole or 2%)
  • 1 pound breakfast sausage, cooked and crumbled, drained of excess fat
  • 4 cups frozen hash browns, thawed
  • 2 cups shredded cheddar cheese
  • 1 cup bell peppers, diced (any color or a mix)
  • 1/2 cup onion, diced
  • 1 teaspoon garlic powder
  • 1 teaspoon salt (or to taste)
  • 1/2 teaspoon black pepper (or to taste)
  • Fresh parsley, chopped, for garnish (optional)
  • Nonstick cooking spray or butter for greasing the baking dish

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish with nonstick spray or butter.
  2. In a large mixing bowl, whisk together the eggs and milk until smooth and well combined.
  3. Season the egg mixture with garlic powder, salt, and black pepper. Whisk again to distribute the seasoning evenly.
  4. Spread the thawed hash browns evenly across the bottom of the prepared baking dish, pressing them gently into an even layer.
  5. Evenly sprinkle the cooked and crumbled breakfast sausage over the hash browns.
  6. Add the diced bell peppers and diced onion in an even layer over the sausage and potatoes.
  7. Slowly pour the seasoned egg mixture over the casserole, making sure it seeps down into all the layers and covers the ingredients as evenly as possible.
  8. Sprinkle the shredded cheddar cheese evenly over the top of the casserole.
  9. Bake in the preheated oven for 45–50 minutes, or until the eggs are set in the center and the top is golden brown. A knife inserted in the middle should come out mostly clean.
  10. Remove the casserole from the oven and let it rest for 5–10 minutes to firm up and make slicing easier.
  11. Slice into squares, garnish with chopped fresh parsley if desired, and serve warm.

Notes

  • Thaw frozen hash browns completely and pat dry if very wet to avoid excess moisture in the casserole.
  • You can assemble the casserole the night before, cover tightly, and refrigerate. Bake in the morning, adding 5–10 extra minutes if it is very cold.
  • If the top browns too quickly, tent loosely with foil during the last 10–15 minutes of baking.
  • Seasoning amounts are flexible; adjust salt, pepper, and garlic powder to taste or add your favorite herbs.
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Category: Breakfast, Brunch
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 piece (1/8 of casserole)
  • Calories: 320 kcal
  • Sugar: 2 g
  • Sodium: 650 mg
  • Fat: 21 g
  • Saturated Fat: 9 g
  • Unsaturated Fat: 11 g
  • Trans Fat: 0 g
  • Carbohydrates: 14 g
  • Fiber: 1 g
  • Protein: 18 g
  • Cholesterol: 230 mg

Keywords: breakfast casserole, sausage egg casserole, hash brown casserole, brunch bake, make-ahead breakfast