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Easy Christmas Breakfast Casserole

Christmas Breakfast Casserole

A Christmas breakfast casserole is a baked dish made with layers of bread, eggs, cheese, and sausage or bacon. Often prepared the night before and baked fresh on Christmas morning, it’s a convenient, crowd-pleasing option that fuels the whole family before the festivities begin.

Ingredients

Scale
  • 6 cups cubed day-old bread (French bread, brioche, or sourdough)

  • 1 lb breakfast sausage (or bacon/ham, cooked and crumbled)

  • 1 small onion, finely chopped

  • 1 red or green bell pepper, diced (for holiday color)

  • 8 large eggs

  • 2 cups milk (or half-and-half for creaminess)

  • 2 cups shredded cheddar cheese (or mozzarella/Swiss blend)

  • 1 teaspoon garlic powder

  • 1 teaspoon salt

  • ½ teaspoon black pepper

  • 2 tablespoons fresh parsley (optional, for garnish)

Instructions

Step 1: Prepare baking dish

Grease a 9×13-inch baking dish with butter or nonstick spray.

Step 2: Cook sausage and vegetables

Brown sausage in a skillet until cooked through. Add onion and bell pepper, sauté until softened. Drain excess grease.

Step 3: Layer bread and sausage

Place cubed bread evenly in the baking dish. Top with sausage and vegetable mixture.

Step 4: Mix egg custard

In a large bowl, whisk together eggs, milk, garlic powder, salt, and pepper.

Step 5: Assemble casserole

Pour egg mixture evenly over bread and sausage. Sprinkle cheese on top.

Step 6: Refrigerate or bake

Cover and refrigerate overnight if making ahead, or bake immediately.

Step 7: Bake casserole

Bake at 350°F (175°C) for 40–45 minutes, until eggs are set and top is golden brown.

Step 8: Rest and serve

Let casserole cool for 5 minutes before slicing. Garnish with parsley for a festive touch.