Christmas Breakfast Egg Casserole

Category: Christmas Recipes & Holiday Cooking Traditions

This Christmas breakfast egg casserole blends savory sausage, fluffy eggs, and cheddar cheese with colorful bell peppers. The layers are built the night before, making holiday mornings effortless and delicious. Bake until golden and enjoy a warm, comforting dish with family. Flexible with ingredient swaps and easy to adapt for various tastes, it’s a crowd-pleasing choice to start your festive day with lasting energy and joy around the table. Great for feeding a group and making new traditions.

Recipes Fives Halima
Created by Mary Loxip Mary Loxip
Last updated on Thu, 11 Dec 2025 05:56:04 GMT
A slice of bacon and cheese casserole on a plate. Pin
A slice of bacon and cheese casserole on a plate. | panbite.com

Holiday mornings feel extra special when a warm and comforting dish comes out of the oven. A Christmas breakfast casserole is the kind of recipe that brings family together around the table before the celebrations begin. Its hearty layers of eggs bread cheese and sausage create a rich and filling meal that keeps everyone energized for a busy day. The best part about this casserole is that it can be prepared the night before making the morning stress free and enjoyable. With the aroma of baked goodness filling the kitchen it sets the perfect festive tone for Christmas morning

The first time I made this casserole I was amazed at how it brought everyone to the table still in their pajamas with smiles ready for Christmas magic

Gather Your Ingredients

  • Whole milk: Two cups ensures a tender custard and creamy texture choose whole for better flavor
  • Cheddar cheese shredded: Two cups adds sharp richness and gooey melt buy a block and shred it yourself for best results
  • Green bell pepper chopped: One brings color and a fresh crunch look for firm glossy peppers
  • Red bell pepper chopped: One gives a festive hue and touch of sweetness use ripe bright red ones
  • Salt: One teaspoon makes sure all the flavors shine use kosher for easy control
  • Black pepper: One half teaspoon adds gentle heat and rounds out the seasoning choose freshly ground for vivid flavor

How to Make It

Cook the Sausage:
Cook sausage over medium heat in a skillet breaking up the meat into small crumbles stir until deeply browned and no pink remains this makes the base taste rich and hearty
Sauté Vegetables:
Add chopped onions and both bell peppers to the partially cooked sausage in the skillet stir and cook for five minutes until fragrant and beginning to soften do not let the vegetables get soggy
Prepare the Baking Dish:
Grease your largest casserole or baking dish well with butter or oil make sure to reach the corners then evenly layer cubed bread pieces across the bottom in a single layer
Assemble the Casserole Layers:
Take the cooked sausage and vegetable mixture and spread it thoroughly over the bread so every bite has a bit of everything
Add the Cheese:
Evenly sprinkle the shredded cheddar on top making sure to cover the sausage mixture for best melt
Mix the Custard:
In a large bowl whisk eggs and milk until fully combined add the salt and pepper keep whisking until smooth and well mixed
Pour and Soak:
Gently pour egg mixture over the entire casserole letting it soak in fully make sure all bread is covered press lightly with a spoon if bread floats
Chill Overnight or Bake:
If making ahead cover tight and place in the refrigerator overnight for best flavor and texture in the morning uncover and set aside while oven preheats
Bake:
Preheat your oven to three hundred fifty degrees Fahrenheit bake uncovered for forty five minutes check center with a knife it should come out clean top will be lightly golden let cool five minutes before serving
A slice of bacon and cheese quiche.
A slice of bacon and cheese quiche. | panbite.com

My family’s favorite part is always the golden cheesy corner pieces which get crisp in the oven it reminds me of quiet snowy holidays where everyone lingers at the table a bit longer

Flavor Boosters

Substitute turkey or chicken sausage for pork for a lighter version Use multigrain or gluten free bread if needed Try Greek or Monterey Jack cheese for a different flavor twist Add spinach mushrooms or sun dried tomatoes for variation if you like more vegetables

Serving Suggestions

Pair this casserole with a fruit salad and mugs of hot cocoa for a complete festive breakfast A dollop of sour cream or a dash of hot sauce on top is a treat for those who like extra flavor For brunch gatherings serve alongside breakfast potatoes or granola parfaits

Creative Twists

In spring use asparagus or scallions in place of peppers For an autumn touch add sautéed leeks and butternut squash Holiday herbs like sage and thyme bring an extra festive note to the egg custard

A slice of bacon and cheese quiche.
A slice of bacon and cheese quiche. | panbite.com

This casserole brings warmth to the holidays and makes breakfast easy. Serve with love and enjoy precious moments with family around the table.

Common Questions About This Recipe

→ Can I prepare the casserole in advance?

Yes, you can assemble the casserole the night before and refrigerate it. In the morning, simply bake until set and golden for a hassle-free holiday meal.

→ What type of sausage works best?

Traditional pork sausage offers a classic flavor, but turkey or chicken sausage is great for a lighter option. Choose your favorite or a spicier variety to suit your taste.

→ Can I add other vegetables to the casserole?

Absolutely! Spinach, mushrooms, or even diced jalapeños pair well. Adding extra vegetables is a great way to boost both flavor and nutrition.

→ How do I make this dish vegetarian?

Simply omit sausage or use a plant-based alternative. Load up on vegetables like mushrooms and spinach for extra flavor and heartiness.

→ Can I use different cheeses?

Yes, mozzarella, Monterey Jack, or a cheese blend will all work well and add unique flavors. Try your family's favorites for a personalized touch.

Christmas Breakfast Egg Casserole

Hearty Christmas breakfast casserole features savory sausage, eggs, cheddar, and peppers. Perfect for preparing ahead, it’s ideal for festive winter mornings. Save & click.

Preparation Time
25 minutes
Cooking Time
45 minutes
Complete Time
70 minutes
Created by Mary Loxip: Mary Loxip

Type of Recipe: Christmas Recipes

Level of Skill: Perfect for Beginners

Cultural Cuisine: American

Serves: 8 Portion Size (One 9 x 13-inch breakfast casserole)

Dietary Needs: ~

What You Need

→ Dairy

01 2 cups whole milk
02 2 cups cheddar cheese, shredded

→ Vegetables

03 1 green bell pepper, chopped
04 1 red bell pepper, chopped
05 1 small yellow onion, chopped

→ Protein

06 1 pound breakfast sausage

→ Bakery

07 6 cups white bread, cubed

→ Spices & Seasonings

08 1 teaspoon salt
09 1/2 teaspoon ground black pepper

→ Eggs

10 6 large eggs

How to Make It

Step 01

In a large skillet over medium heat, cook the breakfast sausage until evenly browned and crumbled. Drain excess fat.

Step 02

Add chopped onion, green bell pepper, and red bell pepper to the skillet. Sauté for 3-4 minutes until just softened.

Step 03

Grease a 9 x 13-inch baking dish with butter or non-stick spray.

Step 04

Arrange the cubed white bread evenly in the bottom of the prepared baking dish.

Step 05

Spread the cooked sausage and sautéed vegetables over the layer of bread.

Step 06

Sprinkle shredded cheddar cheese evenly across the top.

Step 07

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

Step 08

Pour the egg mixture evenly over the contents of the baking dish, ensuring all bread is moistened.

Step 09

Cover the dish tightly with plastic wrap and refrigerate for at least 8 hours or overnight to allow flavors to meld.

Step 10

Preheat oven to 350°F (177°C). Remove casserole from refrigerator and let sit at room temperature for 10 minutes. Bake uncovered for 45 minutes or until golden and set in the center.

Step 11

Allow the casserole to rest for 5 minutes before slicing and serving warm.

Extra Tips

  1. You can personalize the casserole by substituting cheddar with mozzarella or a cheese blend for a creamier texture.
  2. Using turkey or chicken sausage offers a lighter alternative to traditional pork.
  3. Add spinach or mushrooms to increase the vegetable content and enhance flavor.
  4. For a spicy version, mix in diced jalapeños or a sprinkle of cayenne pepper.
  5. Families with different preferences may prepare half the casserole with extra vegetables and keep the other half classic.

Tools You'll Need

  • Large skillet
  • Cutting board
  • Chef's knife
  • Mixing bowl
  • Whisk
  • 9 x 13-inch baking dish
  • Measuring cups
  • Measuring spoons

Allergen Information

Always review ingredients for possible allergens and consult a healthcare provider if unsure.
  • Contains eggs, dairy, and wheat (gluten).

Nutritional Details (Per Serving)

These facts are provided as informational and aren't a substitute for professional advice.
  • Calories: 350
  • Fat Content: 18 grams
  • Carbohydrate Content: 30 grams
  • Protein Content: 15 grams