Christmas Breakfast Casserole Recipe
This Christmas Breakfast Casserole is the ultimate make-ahead holiday breakfast. Loaded with eggs, breakfast sausage, hash browns, cheese, and savory seasonings, this hearty casserole is perfect for feeding family and guests on Christmas morning.
Prepare it the night before and simply bake it in the morning for an easy, stress-free holiday breakfast everyone will love.
The Origins of Breakfast Casserole
Breakfast casseroles became popular in American households because they could feed a crowd using simple ingredients like eggs, cheese, potatoes, and breakfast meats. Their make-ahead convenience made them especially popular during holidays when families wanted an easy breakfast before opening gifts and celebrating together.
Today, Christmas breakfast casserole remains one of the most searched holiday breakfast recipes because it is hearty, practical, and easy to prepare ahead of time.
Why You'll Love This Recipe
This Christmas breakfast casserole is perfect for holiday mornings because it can be assembled the night before and baked fresh the next day.
It feeds a crowd, uses simple ingredients, and combines breakfast favorites like sausage, eggs, hash browns, and cheese in one warm and comforting dish.
It is also easy to customize with bacon, ham, vegetables, or different cheeses.
Ingredients
For the Casserole
1 pound breakfast sausage
8 large eggs
2 cups whole milk
1 teaspoon salt
½ teaspoon black pepper
1 teaspoon garlic powder
1 teaspoon onion powder
1 (30-ounce) bag frozen hash browns, thawed
2 cups shredded cheddar cheese
1 cup shredded mozzarella cheese
½ cup diced red bell pepper
¼ cup sliced green onions
How to Make Christmas Breakfast Casserole
Step 1: Prepare the Sausage
Preheat the oven to 350°F.
Cook the breakfast sausage in a skillet over medium heat until browned and fully cooked. Drain any excess grease and set the sausage aside.
Step 2: Prepare the Egg Mixture
In a large mixing bowl, whisk together the eggs, whole milk, salt, black pepper, garlic powder, and onion powder until fully combined.
Step 3: Assemble the Casserole
Grease a 9x13-inch baking dish with nonstick cooking spray.
Spread the thawed hash browns evenly in the bottom of the baking dish. Add the cooked sausage, cheddar cheese, mozzarella cheese, and diced red bell pepper over the hash browns.
Pour the egg mixture evenly over the casserole.
Step 4: Chill if Making Ahead
If making this casserole ahead of time, cover the dish tightly and refrigerate overnight.
If baking immediately, continue to the next step.
Step 5: Bake
Bake uncovered for 45 to 55 minutes, or until the center is fully set and the top is golden brown.
Step 6: Garnish and Serve
Sprinkle sliced green onions over the top.
Allow the casserole to rest for 10 minutes before slicing and serving.
What to Serve with Christmas Breakfast Casserole
Serve this casserole with Christmas cinnamon rolls, homemade eggnog, gingerbread lattes, peppermint mochas, cranberry orange bread, fresh fruit salad, or crispy hash browns.
Variations
Overnight Christmas Breakfast Casserole
Assemble the casserole the night before, cover tightly, and refrigerate until ready to bake the next morning.
Bacon Breakfast Casserole
Replace the sausage with cooked and crumbled bacon for a smoky breakfast casserole.
Ham and Cheese Breakfast Casserole
Use diced ham instead of sausage for a classic ham and cheese version.
Vegetarian Breakfast Casserole
Skip the meat and add mushrooms, spinach, onions, and extra bell peppers.
Storage
Store leftovers in an airtight container in the refrigerator for up to 4 days.
Reheat individual portions in the microwave or warm larger portions in the oven until heated through.
Frequently Asked Questions
Can I make Christmas Breakfast Casserole ahead of time?
Yes. This casserole is perfect for making ahead. Assemble it the night before, refrigerate overnight, and bake it fresh the next morning.
Can I freeze breakfast casserole?
Yes. Wrap the casserole tightly and freeze for up to 3 months. Thaw overnight in the refrigerator before reheating.
How do I know when the casserole is done?
The casserole is done when the center is fully set and a knife inserted into the middle comes out clean.
What cheese works best?
Cheddar, mozzarella, Monterey Jack, Colby Jack, and pepper jack all work well in this recipe.
Nutrition Information
Serving Size: 1 slice
Calories: 410
Carbohydrates: 18g
Protein: 23g
Fat: 28g
Sugar: 3g
More Christmas Breakfast Recipes You'll Love
Christmas Cinnamon Rolls
Homemade Eggnog
Gingerbread Latte
Peppermint Mocha
French Toast Casserole
Cranberry Orange Bread
Cinnamon Roll Casserole
Final Thoughts
This Christmas Breakfast Casserole is warm, cheesy, hearty, and perfect for holiday mornings. With simple ingredients and make-ahead convenience, it is an easy Christmas tradition your family will look forward to every year.