Amazing 8-serving christmas breakfast casserole

Oh, Christmas morning. It’s magical, it’s cozy, and let’s be honest, it can be totally frantic! Between squeezing oranges, pouring coffee, and trying to keep the excitement from bubbling over, the last thing you need is a huge cooking project staring you down. That’s why I always say that memorable meals should also be simple, just like my philosophy here at Devour Dish, which you can read more about right here on my About Page.

If you’re looking for the ultimate way to cut the holiday chaos, trust me, you need this christmas breakfast casserole recipe in your life. It’s the ultimate make-ahead champion! You spend twenty minutes assembling it on Christmas Eve, cover it up, and then wake up on Christmas Day knowing your hearty, savory brunch is already handled. It’s all about connection and joy, not kitchen stress, right?

This Sausage, Egg, and Cheese version checks every box. It’s comforting, it feeds our whole extended family—which is no small feat!—and the overnight soak makes the bread impossibly tender inside that cheesy, eggy goodness. You’re going to wonder how you ever managed the holidays without preparing this the night before.

Why This Make Ahead Christmas Breakfast Casserole Simplifies Your Holiday

Look, cooking on Christmas Day should feel like a treat, not a marathon. My goal is always total relaxation when the family shows up, and prepping this casserole ahead of time is my secret weapon for achieving that Stress Free Christmas Breakfast zone. It’s a massive win for planning ahead!

Prep Tonight, Relax Tomorrow: The Make Ahead Christmas Breakfast Casserole Advantage

This is truly the key to managing the morning rush; you assemble absolutely everything the night before. Those bread cubes soak up that rich, savory egg mixture slowly in the fridge. That soaking time doesn’t just save you 40 solid minutes in the morning when you’d rather be opening presents; it actually makes the final texture unbelievably custardy and moist. It’s baking alchemy!

Hearty and Festive Flavors in Your Christmas Breakfast Casserole

When you serve this, everyone will feel totally satisfied. We’ve got that salty sausage, loads of melted cheddar cheese, and hearty bread, all bound together. It’s the definition of a Hearty Festive Breakfast Bake. Plus, because it bakes up so big in that 13×9 dish, you’re instantly ready for Feeding a Crowd Holiday Breakfast without making a single extra thing—unless you count the coffee!

Ingredients for Your Make Ahead Christmas Breakfast Casserole

Like I always say, the magic starts with using the right stuff! Since this recipe is meant to sit overnight, precision matters for that perfect soak. You’ll need these ingredients assembled before you cover it up to chill. Make sure you get your measurements right; this is the foundation of our christmas breakfast casserole!

• 1 pound breakfast sausage, cooked and drained
• 1 loaf (16 ounces) French bread or sourdough, cubed
• 1 1/2 cups shredded sharp cheddar cheese, divided
• 10 large eggs
• 2 cups milk
• 1 teaspoon dry mustard powder
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper

Step-by-Step Instructions for the Best Christmas Morning Casserole

Okay, now that your ingredients are lined up, let’s get this christmas breakfast casserole built! Remember, the magic here isn’t rushing; it’s layering things properly so they can relax overnight. If you have bread that’s maybe a day or two old—that slightly stale French bread or sourdough that’s gone a little hard—use it! It’s fantastic because it soaks up that beautiful egg mixture without turning totally mushy. I use that same technique when I make a big batch of custardy French toast; age definitely helps structure!

Preparing the Layers of the Christmas Breakfast Casserole

First things first, we need to brown that sausage. Get it nice and cooked through on the stovetop, and then drain every speck of grease off. Seriously, drain it well! Spread that cooked sausage evenly across the bottom of your greased 13×9 dish. Next, toss your cubed bread right on top of the sausage layer. Now, you only want to sprinkle 1 cup of your sharp cheddar cheese over that bread layer—don’t use all of it yet!

In a separate big bowl, this is where you create the custard base. Whisk those 10 eggs really well until they are uniform in color. Then, whisk in your milk, the dry mustard powder (don’t skip it, it adds a tiny little warmth!), salt, and pepper. Keep whisking until everything is happy and totally combined.

The Make-Ahead Chill Time for Your Holiday Brunch Casserole Recipe

Time to marry the layers! Gently pour that wonderful, savory egg mixture evenly over everything in your baking dish. If you see any dry bread poking up, just gently press it down with the back of a spatula. You want every piece of bread to kiss that egg mix. Now, cover that dish tightly—and I mean tightly—with plastic wrap or foil. Remember, this is the key to an Easy Overnight Breakfast Casserole. Pop it into the fridge. It needs at least four hours to really soak, but for the Make Ahead Christmas Breakfast Casserole magic, leave it overnight!

Baking Your Christmas Morning Breakfast Bake

When Christmas morning finally arrives, you take out that glorious dish, let it sit on the counter for about 30 minutes while you preheat the oven to 350 degrees F (175 degrees C). Keep that foil on tight, and bake it covered for the first 30 minutes. This traps the steam and makes sure that bread gets perfectly soft inside.

After that initial 30 minutes, pull the foil off, sprinkle the remaining 1/2 cup of cheddar cheese over the top—this is for the golden crust!—and pop it back in uncovered for another 15 to 20 minutes. You’ll know it’s ready when the casserole is puffed up and if you gently poke the middle, it feels set, not wobbly. Let it rest for just five minutes before you slice into this show-stopping Christmas Morning Breakfast Bake.

Tips for a Perfect Stress Free Christmas Breakfast Casserole

Even though this is meant to be easy, right? Sometimes little things can throw a wrench in the machine, so let me give you my best little tricks to ensure this Easy Overnight Breakfast Casserole comes out flawlessly for you. I’ve learned a lot over the years about making sure the prep-ahead process works ideally, which is what makes this the ultimate brunch hack.

Alternative Cooking Methods for Your Christmas Breakfast Casserole

Now, maybe your oven is totally slammed with the Christmas ham or that epic side dish marathon. No sweat! This casserole is fantastic in the slow cooker too, which really amps up the hands-off factor. If you use the Crockpot Breakfast Casserole for Christmas method, just layer everything exactly as I described in the main instructions—sausage, bread, cheese, then the egg mixture.

The key time difference? You cover it up, set that slow cooker to LOW, and let it work its magic for 6 to 8 hours. It comes out golden brown on the edges and perfectly spoonable. It’s cozy, it’s warm, and it means you don’t even have to worry about oven space on the big day. Honestly, it’s almost too easy!

Ingredient Swaps for Your Savory Holiday Breakfast Recipe

We all have preferences when it comes to morning meats, and this recipe is wonderfully flexible. If you’re tired of sausage, or maybe you just ran out, feel absolutely free to switch it up! My notes say you can toss in crumbled bacon or diced ham instead, and it works beautifully as part of your Savory Holiday Breakfast Recipe.

Just make sure whatever you use—ham or bacon—is fully cooked and drained well before it goes into the pan. I tried using slightly fatty bacon once, and while the flavor was delicious, I needed a ton of paper towels to blot the excess grease afterward. So stick to draining it well, and you’ll be golden!

If you’re looking for other grab-and-go holiday items to keep things simple, check out my recipe for easy breakfast cookies; they are perfect for kids buzzing around the tree! And if you’re feeling stressed about everything else, remember that some of the best holiday meals are the most straightforward, just like this bake.

Serving Suggestions for Your Hearty Festive Breakfast Bake

This christmas breakfast casserole is so substantial, you barely need anything else, honestly! But since we are leaning into joy and connection, a few light sides make it feel extra special. After that crucial 5-minute rest—don’t cut that short!—slice it up hot. I love serving it alongside a brightly colored fruit platter to cut through the richness, maybe some fresh berries or sliced melon.

If you want something warm on the side, keep it simple, like my recipe for easy homemade applesauce. It adds a nice, tart contrast. Even something green, like simple honey garlic green beans served slightly warm, rounds out the plate beautifully. It’s the perfect, Hearty Festive Breakfast Bake combination that keeps everyone happy while you open presents!

Storage and Reheating Instructions for Leftover Christmas Breakfast Casserole

I truly hope you have leftovers, because this christmas breakfast casserole tastes amazing the next day! It’s certainly hearty enough to feed us for a couple of days, which is a huge perk when everyone is busy taking down decorations later in the week.

When it comes to storing what’s left, you want to keep that moisture locked in. Let the casserole cool down until it’s just barely warm—don’t put a scorching hot pan directly into the fridge! Once it’s cool enough, cover the 13×9 baking dish tightly with plastic wrap, or if you’ve already cut up portions, transfer the squares into an airtight container.

It should keep perfectly well in the refrigerator for about three to four days. My favorite way to revive it is in the oven when I don’t want to heat up the whole kitchen for one slice. Scoop out what you want onto an oven-safe plate or small baking dish, cover it loosely with foil, and heat it at 350 degrees F until it’s warmed all the way through. That should take about 15 to 20 minutes, depending on how much you’re heating.

If you’re starving and need that cheesy goodness right now—because hey, the holidays are busy—the microwave works great too! Just use a microwave-safe plate, cover your slice with a slightly damp paper towel (this helps keep the bread from getting rubbery!), and warm it in 30-second bursts until it’s steaming hot in the center. It’s fast, easy, and keeps the post-holiday cleanup minimal!

Frequently Asked Questions About This Holiday Brunch Casserole Recipe

FAQs always pop up, especially when we are trying to nail down that Make Ahead Christmas Breakfast Casserole schedule! It’s really important to know the little kinks before you commit that delicious custard mixture to the fridge overnight. I pulled together the questions I get most often about making this the perfect Holiday Brunch Casserole Recipe for feeding everyone.

Can I freeze this Christmas breakfast casserole before baking?

That’s a smart question! While this recipe shines when refrigerated overnight, freezing the assembled dish isn’t my favorite route, especially with this bread version. The texture of the French bread cubes can get a little weird after a long freeze and thaw cycle—sometimes they get too compressed or soggy when baked straight from frozen. If you absolutely must, I suggest wrapping it ultra-tightly in two layers of plastic wrap, then foil, and freezing it unbaked for up to a month. But—and this is important—you must thaw it completely in the fridge overnight before baking it at 350°F. Better yet, make this part of your collection of make ahead brunch ideas for Christmas by baking it fully, letting it cool, slicing it, and freezing the cooked portions!

What type of bread works best for this make-ahead casserole?

Great question! We need structure here since this is an Easy Overnight Breakfast Casserole designed to soak up liquid without dissolving into soup. I specify French bread or sourdough in the recipe because they are denser loaves. They have that sturdy chewiness that holds up beautifully to soaking the egg batter for 12 or more hours.

Please try to avoid soft, fluffy white sandwich bread if you can. That soft bread just turns to mush when it sits in that rich custard mixture overnight. You want that satisfying, almost chewy texture in every bite, and that only comes from a heartier loaf. If you happen to have some leftover baguette ends or just slightly stale Italian loaf, grab those; they are perfect for this job!

If you’re looking for more ways to tackle that busy holiday menu, I saw a huge collection of great ideas over at Taste of Home that might give you even more inspiration for your 13×9 Christmas breakfast casseroles!

Estimated Nutritional Information for This Christmas Breakfast Casserole

Now, let’s talk fuel! Because this is such a hearty, satisfying christmas breakfast casserole, it definitely packs a punch, which is what you need when you’re facing a day of joyful chaos. I always say that when you’re cooking for connection and comfort, the nutrition facts are just there as a helpful guide, not a scary report card.

The details below are based on using the recipe exactly as written above—baking it in the oven (Option A) and dividing the whole thing into 8 generous servings. Remember Avery’s rule: these numbers are super helpful estimates, not lab-tested guarantees, because we all cook *just* a little differently!

• Serving Size: 1 slice
• Calories: 450
• Fat: 30g
• Saturated Fat: 12g
• Protein: 25g
• Carbohydrates: 22g
• Fiber: 1g
• Sugar: 3g
• Sodium: 850mg
• Cholesterol: 180mg

See? Packed with protein from those eggs and sausage, which means you’re going to stay full right up until lunchtime gift unwrapping is finally done. It’s the perfect anchor for a long, festive morning!

Share Your Stress Free Christmas Breakfast Experience

I truly hope this christmas breakfast casserole brings the same level of calm and joy to your holiday morning that it brings to mine! Because I test every single recipe here at Devour Dish with real-life kitchen chaos in mind, hearing from you truly validates all the hard work that goes into making these recipes so reliable.

When you make this, please come back and tell me how it went! Did you use ham instead of sausage? Did you bake it in the oven or go the slow cooker route? I want to know everything!

If you loved how simple this was, please leave a star rating right here on the recipe card—that little rating gives me the biggest confidence boost! And honestly, if you snap a picture of your beautiful, golden-brown Stress Free Christmas Breakfast centerpiece, tag me on social media! Seeing your family enjoying a quiet, delicious start to the day makes my whole holiday season.

Thank you so much for letting my simple, comforting recipes be part of your precious family traditions. Happy holidays, and happy cooking!

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