Sausage, Egg & Cheese Breakfast Casserole Recipe

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Looking for a hearty, crowd-pleasing breakfast that’s perfect for holidays, brunches, or busy mornings?

This Sausage, Egg & Cheese Breakfast Casserole is packed with savory sausage, fluffy eggs, gooey melted cheese, and tender bread for a comfort-food favorite everyone will love.

Best of all, it can be made ahead of time and baked in the morning, making it perfect for feeding a family or a brunch crowd.

⭐ Why You’ll Love This Recipe

  • Make-ahead friendly: Assemble the night before and bake in the morning.

  • Crowd-pleaser: Hearty, cheesy, and filling—perfect for brunch or holiday mornings.

  • Customizable: Add veggies, different cheeses, or spices to suit your taste.

  • Simple and comforting: Minimal prep with big flavor.

Ingredients

  • 1 pound breakfast sausage (pork or turkey)

  • 6–8 cups cubed bread (day-old works best; white, wheat, or a mix)

  • 8 large eggs

  • 2 cups milk

  • 1 teaspoon Dijon mustard (optional)

  • Salt and pepper, to taste

  • 2 cups shredded cheese (cheddar, mozzarella, or your favorite)

  • ½ teaspoon garlic powder (optional)

  • ½ teaspoon onion powder (optional)

  • Optional toppings: chopped green onions, parsley, or diced tomatoes

Instructions

1. Preheat Oven

  • Preheat oven to 350°F (175°C).

  • Grease a 9×13-inch baking dish or similar casserole dish.

2. Cook the Sausage

  1. In a skillet over medium heat, cook sausage until browned and cooked through.

  2. Drain excess fat and set aside.

3. Assemble the Casserole

  1. Spread cubed bread evenly in the prepared baking dish.

  2. Sprinkle cooked sausage over the bread.

  3. Add ½ of the shredded cheese evenly on top.

4. Mix Eggs and Milk

  1. In a medium bowl, whisk together eggs, milk, Dijon mustard (if using), salt, pepper, garlic powder, and onion powder.

  2. Pour the egg mixture evenly over the bread, sausage, and cheese in the casserole dish.

5. Top and Bake

  1. Sprinkle the remaining shredded cheese on top.

  2. Cover the casserole with foil and bake for 25 minutes.

  3. Remove foil and bake for an additional 20–25 minutes, or until eggs are set and cheese is golden.

  4. Optional: Broil for 1–2 minutes for extra cheesy, golden topping.

6. Serve

  • Let the casserole cool slightly before slicing.

  • Garnish with chopped green onions, parsley, or diced tomatoes if desired.

  • Serve warm for a hearty breakfast or brunch.

⭐ Tips for the Best Breakfast Casserole

  • Use day-old bread: It absorbs the egg mixture better without becoming soggy.

  • Make ahead: Assemble the casserole the night before, cover, and refrigerate. Bake the next morning.

  • Customize: Add sautéed peppers, onions, mushrooms, or spinach for extra flavor and nutrition.

  • Cheese options: Cheddar, Monterey Jack, Swiss, or a mix works beautifully.

🎄 Variations

  • Spicy sausage: Use spicy breakfast sausage or add a pinch of cayenne pepper.

  • Low-carb version: Replace bread with cooked hash browns or omit entirely for a crustless casserole.

  • Mini casserole cups: Bake in muffin tins for individual servings, perfect for brunch parties.

  • Herb twist: Add fresh thyme, rosemary, or chives for extra flavor.

Storage

  • Store leftovers in an airtight container in the fridge for up to 3 days.

  • Reheat individual portions in the microwave or warm in the oven.

  • Freezes well: Wrap portions tightly and freeze for up to 1 month; thaw in the fridge overnight before reheating.

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