Christmas Breakfast Casserole is the perfect addition to your holiday morning celebrations! This delicious dish combines savory eggs, cheese, and a variety of fillings, creating a hearty and satisfying meal that your family will love. Easy to prepare ahead of time, this casserole is a fantastic way to kick off Christmas Day with warmth and joy. Let’s dive into the details of this festive breakfast casserole that truly embodies the spirit of the season!
Why You’ll Love This Christmas Breakfast Casserole
This Christmas Breakfast Casserole is not just any ordinary dish; it’s a Holiday Breakfast Bake that brings everyone together. Here are a few reasons why you’ll cherish it:
- It’s a family-friendly Christmas breakfast recipe that everyone can enjoy.
- Perfect for a Christmas brunch casserole recipe, it’s satisfying and filling.
- Can be made ahead, allowing you to relax and enjoy the morning.
- Customizable to suit your taste, whether you prefer meat or vegetarian options.
- It’s a great way to use up leftover bread, making it an easy Christmas casserole recipe.
- The savory flavors make it a delightful addition to any holiday morning.
Ingredients for Christmas Breakfast Casserole
Gather these items:
- 12 large eggs
- 1 cup milk or half-and-half
- 1 teaspoon salt
- ½ teaspoon black pepper
- 1 teaspoon garlic powder
- 1 teaspoon dried thyme
- 2 cups shredded cheese (cheddar, mozzarella, or a mix)
- 1 cup cooked and crumbled breakfast sausage (or a vegetarian alternative)
- 1 cup diced onions
- 1 cup diced bell peppers (optional)
- 2 cups fresh spinach (or other greens)
- 2 cups cubed bread (preferably day-old or slightly toasted)
- Butter or cooking spray (for greasing the baking dish)
How to Make Christmas Breakfast Casserole Step-by-Step
- Step 1: Cook the sausage in a skillet until browned. Sauté onions, bell peppers, and spinach until softened. Set aside.
- Step 2: In a large bowl, whisk together eggs, milk, salt, pepper, garlic powder, and dried thyme. Stir in the cooked sausage, sautéed vegetables, and cheese.
- Step 3: Grease a 9×13-inch baking dish. Spread the cubed bread evenly over the bottom of the dish. Pour the egg mixture over the bread, ensuring the bread is well-coated.
- Step 4: Cover the dish with plastic wrap and refrigerate overnight to let the bread soak up the egg mixture.
- Step 5: Preheat the oven to 350°F (175°C). Bake uncovered for 45–50 minutes or until the top is golden and the center is set.

Pro Tips for the Perfect Christmas Breakfast Casserole
Keep these in mind:
- This dish can be made ahead of time and stored in the refrigerator for up to two days.
- You can customize the fillings to your liking; try adding mushrooms or different cheese varieties.
- Use day-old bread for the best texture and absorption of flavors.
- For a spicy kick, consider adding diced jalapeños or hot sauce to the egg mixture.
Best Ways to Serve Christmas Breakfast Casserole
This casserole is delicious on its own, but you can elevate your serving options:
- Serve with a side of fresh fruit for a light contrast.
- Pair with a green salad for a refreshing touch.
- Top with fresh herbs or a dollop of sour cream for added flavor.
How to Store and Reheat Christmas Breakfast Casserole
To store, cover the casserole tightly with plastic wrap or aluminum foil and refrigerate. To reheat, simply warm it up in the oven at 350°F (175°C) until heated through, about 20 minutes. This make-ahead Christmas casserole option makes mornings much easier!
Frequently Asked Questions About Christmas Breakfast Casserole
What’s the secret to perfect Christmas Breakfast Casserole?
The secret lies in allowing the bread to absorb the egg mixture overnight. This enhances the flavors and creates a delightful texture, making your holiday breakfast bake a true delight!
Can I make Christmas Breakfast Casserole ahead of time?
Absolutely! This dish is perfect for making ahead. Prepare it the night before, refrigerate, and simply bake it in the morning for a hassle-free breakfast.
How do I avoid common mistakes with Christmas Breakfast Casserole?
To avoid sogginess, ensure you’re using day-old bread, and don’t skip the overnight soaking step. Baking until the center is set is crucial for the perfect consistency.
Variations of Christmas Breakfast Casserole You Can Try
If you want to switch things up, consider these variations:
- For a vegetarian Christmas breakfast casserole, omit the sausage and add in more vegetables like zucchini or mushrooms.
- Try a Mexican twist by incorporating chorizo and pepper jack cheese for a spicy flavor.
- For a sweet touch, add cinnamon and diced apples to the egg mixture and serve with maple syrup.

For more delicious recipes, check out our recipe collection or try making salted caramel cookies for a sweet treat!
Learn more about the benefits of using eggs in your diet and how they can enhance your breakfast casseroles!
Enjoy your holiday mornings with this delightful Christmas Breakfast Casserole!
Print
Mouthwatering Christmas Breakfast Casserole for Holiday Mornings
- Total Time: 1 hour
- Yield: 8 servings 1x
- Diet: Vegetarian
Description
Martha Stewart Christmas Breakfast Casserole combines savory eggs, cheese, and your favorite fillings into one simple yet flavorful dish that’s perfect for holiday mornings.
Ingredients
- 12 large eggs
- 1 cup milk or half-and-half
- 1 teaspoon salt
- ½ teaspoon black pepper
- 1 teaspoon garlic powder
- 1 teaspoon dried thyme
- 2 cups shredded cheese (cheddar, mozzarella, or a mix)
- 1 cup cooked and crumbled breakfast sausage (or a vegetarian alternative)
- 1 cup diced onions
- 1 cup diced bell peppers (optional)
- 2 cups fresh spinach (or other greens)
- 2 cups cubed bread (preferably day-old or slightly toasted)
- Butter or cooking spray (for greasing the baking dish)
Instructions
- Cook the sausage in a skillet until browned. Sauté onions, bell peppers, and spinach until softened. Set aside.
- In a large bowl, whisk together eggs, milk, salt, pepper, garlic powder, and dried thyme. Stir in the cooked sausage, sautéed vegetables, and cheese.
- Grease a 9×13-inch baking dish. Spread the cubed bread evenly over the bottom of the dish. Pour the egg mixture over the bread, ensuring the bread is well-coated.
- Cover the dish with plastic wrap and refrigerate overnight to let the bread soak up the egg mixture.
- Preheat the oven to 350°F (175°C). Bake uncovered for 45–50 minutes or until the top is golden and the center is set.
Notes
- This dish can be made ahead of time and stored in the refrigerator.
- You can customize the fillings to your liking.
- Use day-old bread for the best texture.
- Prep Time: 15 minutes
- Cook Time: 45-50 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 300
- Sugar: 2g
- Sodium: 600mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 2g
- Protein: 15g
- Cholesterol: 200mg
