Breakfast Egg Casserole

Start your day with this hearty and flavorful Breakfast Egg Casserole, a make-ahead masterpiece perfect for feeding a crowd or enjoying as meal prep for the week. Packed with savory layers of seasoned breakfast sausage, sautéed vegetables, and a blend of sharp cheddar and gooey mozzarella cheeses, this dish combines the comforting flavor of baked eggs with the texture of tender, cubed bread. The casserole is baked to golden perfection in just under an hour, and it’s easily customizable with your favorite ingredients or garnished with fresh green onions for an extra pop of color and flavor. Simple, satisfying, and endlessly versatile, this easy egg casserole is the ultimate crowd-pleasing breakfast recipe for holidays, brunches, or busy weekday mornings.

Nutriscore Rating: 58/100

Prep Time:20 mins

Cook Time:45 mins

Total Time:65 mins

Servings: 8

Ingredients

• 10 large eggs
• 1 cup whole milk
• 1 teaspoon salt
• 0.5 teaspoon black pepper
• 1 pound ground breakfast sausage
• 1 yellow onion, diced
• 1 bell pepper, diced (any color)
• 1.5 cups shredded sharp cheddar cheese
• 1 cup shredded mozzarella cheese
• 4 cups bread, cubed (day-old or sturdy bread preferred)
• 2 green onions, sliced (optional, for garnish)
• 0 non-stick cooking spray

Directions

Step 1

Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish with non-stick cooking spray and set aside.

Step 2

In a large skillet over medium heat, cook the ground breakfast sausage until browned and fully cooked, breaking it into small crumbles. Remove the sausage from the skillet and set aside, leaving a small amount of grease in the pan.

Step 3

In the same skillet, add the diced yellow onion and bell pepper. Sauté for 3-5 minutes until softened and fragrant. Remove from heat and set aside.

Step 4

In a large mixing bowl, whisk together the eggs, whole milk, salt, and black pepper until well combined.

Step 5

Spread the cubed bread evenly in the greased baking dish. Top the bread with the cooked sausage, sautéed vegetables, and shredded sharp cheddar and mozzarella cheeses, distributing them evenly.

Step 6

Pour the egg mixture over the layered ingredients in the baking dish. Gently press down with a spatula to ensure the bread soaks up the egg mixture.

Step 7

Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes. Remove the foil and bake for an additional 15 minutes or until the casserole is set and the top is golden brown.

Step 8

Remove the casserole from the oven and let it rest for 5-10 minutes before slicing into squares.

Step 9

Garnish with sliced green onions, if desired, and serve warm. Enjoy!

Nutrition Facts

Serving size	(2197.5g)

Amount per serving	% Daily Value*
Calories	4835.0

Total Fat 296.3g	0%
Saturated Fat 121.0g	0%
Polyunsaturated Fat 0.3g
Cholesterol 2469.5mg	0%
Sodium 11398.5mg	0%
Total Carbohydrate 297.6g	0%
Dietary Fiber 20.9g	0%
Total Sugars 37.0g
Protein 245.1g	0%

Vitamin D 507.4IU	0%
Calcium 3129.2mg	0%
Iron 31.3mg	0%
Potassium 3163.1mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 55.1%

Protein: 20.3%

Carbs: 24.6%