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Home » Recipes » Best Breakfast & Brunch Recipes

Crockpot Christmas Breakfast Casserole

Published: Dec 7, 2022 Last Updated: Dec 2, 2022 by Marye 1438 words. | About 8 minutes to read this article.

Easy slow cooker breakfast casserole is full of potatoes, cheese, sausage, & eggs. Everything cooks overnight so it's perfect for busy holiday breakfasts and brunches. Perfect for Christmas!
Total time 8 hours 15 minutes
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Overhead view of the casserole with text overlay for Pinterest.

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Overhead view of the finished casserole in the crockpot.
Jump to:
  • ❤️ Why you'll love it
  • 🧾 Ingredients
  • 🔪 Instructions
  • 🥫 Storage
  • 📖 Variations
  • 💭 Things to know
  • 👩‍🍳 FAQs
  • 📚 Related recipes
  • 🍽️ Serve with...
  • 🥄 Restless Chipotle recommends
  • 📞 The last word
  • Crockpot Christmas Breakfast Casserole

❤️ Why you'll love it

  • Start it at night and it's ready for you the next morning.
  • Great for overnight guests and picky eaters because everyone loves it!
  • Hash browns and cheddar cheese make a delicious breakfast for special occasions.

Crockpot recipes are great on busy mornings, but they're even better for Christmas morning breakfast.

This overnight crockpot breakfast casserole handles all the cooking time for you, so you won't miss a festive minute of the whole family gathering joyfully around the tree.

🧾 Ingredients

This is an overview of the ingredients. You'll find the full measurements and instructions in the green recipe card (printable) at the bottom of the page.

Ingredients for this casserole.

🔪 Instructions

This is an overview of the instructions. Full instructions are in the green recipe card at the bottom of the page.

Step by step images showing how to make this recipe.
  1. Whisk the eggs, milk, salt, and pepper together in a large bowl.
  2. Lay ⅓ of the potatoes on the bottom of the crockpot.
  3. Spoon ⅓ of the sausage, red and green bell peppers, and diced yellow onions on top of the potatoes.
  4. Top with cheese, repeat layers twice, and pour egg mixture over top.

🥫 Storage

This crockpot breakfast casserole recipe usually doesn't yield any leftovers. The delicious smells wafting out of the kitchen by 7 AM means everyone is ready to scarf down breakfast!

However, if you do have leftovers, spoon them into an airtight container. Like most egg bake recipes, the leftovers will last for about three days in the refrigerator.

Microwave individual servings until just warm for an easy breakfast, days after the festivities have ended.

A serving of the casserole being removed from the pan.

📖 Variations

Slow cooker breakfast recipes are easy to adapt, so you can make something your entire family will love! Here are some ideas:

  • I prefer to use regular sausage, but for a hearty breakfast that's just a touch lighter on the calories, swap in some turkey sausage.
  • Ground sausage gives the best texture in my opinion, but you could thinly slice some breakfast sausage links and use those for faster prep.
  • Stir in bacon bits—it takes a great breakfast to a perfect breakfast!
  • Some people like to use frozen tater tots instead of shredded potatoes.
  • No Pepper Jack? Monterey Jack is good in this breakfast Christmas casserole, too.
  • Add a can of diced green chiles to the green peppers mixture for spice!
  • Garnish with green onions or parsley for a delicious herbal flavor.
  • Don't forget your favorite toppings. Serve with hot sauce, pico de Gallo, a scoop of sour cream, ketchup, or even some maple syrup for a sweet touch.

💭 Things to know

Expert Tip: Spray the crockpot well with nonstick cooking spray, because the cheese and potatoes tend to get all crispy around the edges. It's yummy but can stick if not greased well.

  • Use a slow cooker liner if you prefer no clean-up at all. Just be careful not to cut the liner and accidentally serve it stuck to the bottom of your breakfast casserole!
  • Drain off the excess fat if you're browning the sausage yourself. Breakfast meat tends to have a lot of extra grease, and you don't need that in the casserole.
  • Beating the eggs with a whisk is the key to fluffy eggs. Try to incorporate as much air as possible into the eggs.
  • Want breakfast now? Prepare as directed, layering the ingredients into a large skillet. Bake at 375 degrees F for about 30 minutes, or until the eggs are cooked all the way through.

👩‍🍳 FAQs

It's my first time eating breakfast casserole. What does it taste like?

Oh, you are in for a treat! Classic breakfast casserole is made of layers of potatoes, sausage, and cheese, then it's all covered with an egg and milk mixture, which bakes up to savory perfection. The best thing about crockpot breakfast recipes is that they taste just like eating all of the wonderful breakfast foods, without a ton of stressful prep work!

Can I make this in advance on a Saturday morning and then start it cooking on Saturday night?

You can! Thankfully, there's a little bit of lee-way when it comes to eggs out of their shells. After prep, cover the crockpot dish with plastic wrap or the lid and put it in the fridge until later that night.

But what if I don't want the casserole to cook overnight? Can I shorten the crockpot cook time?

I don't love how this Crockpot Christmas casserole comes out when the crockpot cook time and temperature have been altered. However, see the Things to Know section to cook this recipe in a cast iron skillet, instead.

A serving of teh casserole on a plate showing the layers.

📚 Related recipes

  • Ready in less than an hour, Monte Cristo Casserole is ideal for holiday brunch or whenever you're craving a spicy, sweet, smoky, hot breakfast.
  • Though it's often a potluck dish, we love Hashbrown Casserole for brunch! There's nothing better—except when it's topped with an over-easy egg and served alongside some crispy bacon! Yum.
  • Pumpkin Baked Oatmeal is a delicious breakfast casserole that's great for feeding a crowd or freezing and saving for when the sweet brunch cravings hit!
  • You're going to need some toast with this and the best toast ever is made with this simple English muffin bread.
  • English Muffin Bread Recipe
  • Monte Cristo Casserole
  • Fluffy Gingerbread Waffles
  • Hashbrown Casserole

🍽️ Serve with...

  • Easy Croissants
  • Southern Fried Apples
  • Homemade Yeast Donuts

🥄 Restless Chipotle recommends

The following are affiliate links. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.

You'll need the following items to make this recipe successfully.

  • Slow Cooker
  • Whisk

📞 The last word

I love sitting around on Christmas morning, drinking a creamy coffee, and watching the kids & grandkids open presents. It's so much more fun than listening to all the commotion and laughter while I'm working to get breakfast on the table!

This breakfast casserole might change your life. 🙂

If you click on the number of servings in the recipe card you can adjust the measurements up or down for the exact number of servings you need. Don't forget that you can click on "add to collection" to save it to your own, private recipe box!

If you love this recipe please give it 5 stars! ⭐️⭐️⭐️⭐️⭐️

Overhead view of the finished casserole for the feature image.
4.77 from 30 votes

Crockpot Christmas Breakfast Casserole

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Easy slow cooker breakfast casserole is full of potatoes, cheese, sausage, & eggs. Everything cooks overnight so it's perfect for busy holiday breakfasts and brunches. Perfect for Christmas!
Course Breakfast
Cuisine American - Vintage,Holiday
Prep Time: 15 minutes
Cook Time: 8 hours
Total Time: 8 hours 15 minutes
Servings:8
Calories:550
Author:Marye Audet-White
As an Amazon Associate I earn from qualifying purchases.

Equipment Needed

  • Slow Cooker

Ingredients

  • 12 eggs
  • 1 cup milk
  • 2 pounds hash brown potatoes
  • 1 pound bulk breakfast sausage, cooked
  • ½ cup onions, diced
  • ½ cup bell peppers red & green , diced
  • 1 ½ cups cheddar cheese , shredded from a block
  • 1 ½ cups pepper jack cheese, shredded from a block
  • 1 teaspoon kosher salt, if you use regular table salt use half as much
  • ½ teaspoon black pepper

I earn a commission from Instacart from qualifying purchases.

Instructions

  • Spray the inside of the crock with no-stick cooking spray. Set aside.
  • Mix the two shredded cheeses together and set aside.
  • Mix the cooked sausage, onions, and peppers and set aside.
  • Beat the eggs until well blended.
  • Whisk in milk, salt, and pepper. Set aside.
  • Layer ⅓ of the potatoes in the bottom of the crock.
  • Next sprinkle with ⅓ of the sausage mixture.
  • Top with 1 cup of mixed cheese.
  • Repeat 2 more times to have a total of 3 layers.
  • End with cheese mixture.
  • Pour the egg mixture over the top.
  • Cook on low for 8 hours.

Notes

Storage:
If you have leftovers, spoon them into an airtight container. Like most egg bake recipes, the leftovers will last for about three days in the refrigerator.
Microwave individual servings until just warm for an easy breakfast, days after the festivities have ended.
I don't suggest freezing.
Tips:
  • Spray the crockpot well with nonstick cooking spray, because the cheese and potatoes tend to get all crispy around the edges. It's yummy but can stick if not greased well.
  • Or, use a slow cooker liner if you prefer no clean-up at all. Just be careful not to cut the liner and accidentally serve it stuck to the bottom of your breakfast casserole!
  • Drain off the excess fat if you're browning the sausage yourself. Breakfast meat tends to have a lot of extra grease, and you don't need that in the casserole.
  • Beating the eggs with a whisk is the key to fluffy eggs. Try to incorporate as much air as possible into the eggs.
  • Want breakfast now? Prepare as directed, layering the ingredients into a large skillet. Bake at 375 degrees F for about 30 minutes, or until the eggs are cooked all the way through.

Nutrition Facts

Calories: 550kcal | Carbohydrates: 24g | Protein: 31g | Fat: 37g | Saturated Fat: 16g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 13g | Trans Fat: 0.1g | Cholesterol: 330mg | Sodium: 1048mg | Potassium: 670mg | Fiber: 2g | Sugar: 3g | Vitamin A: 1116IU | Vitamin C: 22mg | Calcium: 402mg | Iron: 3mg

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    About Marye

    With a 40 year focus on the importance of family and a passion for southern comfort food, Marye Audet-White is an expert in melding the two together effortlessly. Marye's a NY Times Bestselling author with 10 cookbooks under her belt and her recipes have been featured in Good Housekeeping, Country Living, Today, House Beautiful, Texas Living, Food & Wine, and many more.

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    NY Times bestselling author. 10 cookbooks. Mom of 8 kids. Homeschooling mom for 22 years. Addicted to Hallmark Christmas Movies.

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