There’s something magical about waking up on Christmas morning to the scent of a warm, savory breakfast wafting through the house. This Christmas Morning Casserole is a hearty, crowd-pleasing dish that takes the stress out of holiday cooking. Packed with flavorful sausage, creamy eggs, gooey cheese, and golden-toasted bread, it’s a make-ahead marvel that brings comfort to your holiday table with zero fuss.
🧾 Christmas Morning Casserole Ingredients
| Ingredient | Quantity |
|---|---|
| Ground Sausage | 1 pound |
| Mustard Powder | 1 teaspoon |
| Kosher Salt | 1/3 teaspoon |
| Large Eggs (beaten) | 4 |
| Whole Milk | 2 quarts |
| Toasted White Bread (diced) | 6 slices |
| Mild Cheddar Cheese | 1 cup (shredded) |
🌟 What Makes This Casserole So Special?
This beloved breakfast bake blends the hearty richness of sausage and cheddar with a velvety egg custard that soaks into every cube of toasted bread. Best of all? You prep it the night before, so you can spend Christmas morning soaking in joy—not scrambling in the kitchen.
🍳 Step-by-Step: How to Make the Ultimate Christmas Morning Casserole
1. Brown the Sausage
In a skillet over medium heat, cook the sausage until browned and fully cooked. Drain the fat to keep the final dish from being greasy.
Tip: Use a spoon or spatula to break the sausage into bite-sized bits for even layering.
2. Mix the Custard Base
In a large bowl, beat the eggs. Stir in the mustard powder, kosher salt, and milk. This creamy blend will soak into the bread, giving your casserole its luxurious texture.
Why mustard powder? It adds depth and brings out the savory flavor of the sausage without overpowering it.
3. Combine the Ingredients
In a big mixing bowl, toss together the cooked sausage, toasted bread cubes, and shredded cheddar. Pour the egg mixture over the top and gently stir to coat everything evenly.
4. Prepare the Dish
Grease a 9×13-inch baking dish with butter or spray, then pour in the casserole mixture. Spread it evenly to ensure a uniform bake.
Make-Ahead Hack: At this point, you can cover and refrigerate it overnight to let the flavors meld.
5. Chill Overnight
Cover tightly and refrigerate for at least 8 hours. The bread will soak up all that rich custard, setting you up for a perfectly textured casserole in the morning.
6. Bake on Christmas Morning
Preheat your oven to 350°F (175°C). Bake the covered casserole for 45–60 minutes to ensure the middle sets. Then, uncover, lower the oven to 325°F (165°C), and bake for another 30 minutes to develop a golden crust.
7. Cool Slightly, Then Serve
Let the casserole sit for 5 to 10 minutes after baking so it can firm up. Then slice, serve, and enjoy the warm, cheesy comfort of a perfect holiday breakfast.
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