Crockpot Breakfast Casserole (Easy & Foolproof Recipe)

Imagine waking up to the savory aroma of a perfectly cooked, hot breakfast waiting for you. This Crockpot Breakfast Casserole makes that dream a reality. It’s the ultimate make-ahead meal, effortlessly combining fluffy eggs, savory sausage, hearty hash browns, and melted cheese into a crowd-pleasing dish. Whether you’re planning a holiday brunch, a weekend family gathering, or simply want to simplify your mornings, this recipe is your secret weapon.

Why This Crockpot Breakfast Casserole is a Morning Game-Changer

This isn’t just another breakfast recipe; it’s a solution to hectic mornings. Using your slow cooker means you do the prep work when you have time, and the appliance does the rest. It’s a true set-it-and-forget-it meal that delivers a delicious, comforting casserole with minimal effort. Plus, it frees up your oven for other dishes, making it perfect for special occasions.

A delicious slice of sausage breakfast casserole on a plate, ready to be served for a weekend brunch or holiday morning.
A perfect slice of breakfast heaven, ready to enjoy.

The Key Ingredients for a Perfect Casserole

The beauty of this dish lies in its simplicity and versatility. Here are the core components you’ll need:

  • Breakfast Sausage: Provides a savory, meaty foundation. Crumbled bacon or diced ham also work wonderfully.
  • Eggs: The essential binder that creates the custardy texture.
  • Milk or Half-and-Half: Adds richness and moisture to the eggs.
  • Shredded Cheese: Sharp cheddar is a classic choice, but a mix of Monterey Jack and cheddar adds a fantastic melt.
  • Frozen Shredded Hash Browns: This is the secret for a hassle-free casserole. No need to thaw!
  • Onion & Bell Pepper: Adds flavor, color, and a touch of freshness.
  • Seasonings: Simple salt, pepper, and dry mustard are all you need to elevate the flavors.

How to Make the Best Crockpot Breakfast Casserole: Step-by-Step

Follow these simple steps for a flawless casserole every single time. The key is in the layering.

  1. Prepare the Crockpot: Generously grease the inside of your 6-quart slow cooker with butter or non-stick spray. This is the most important step to prevent sticking and ensure easy cleanup.
  2. Brown the Sausage: In a skillet over medium-high heat, cook the sausage with the chopped onion and bell pepper until the meat is no longer pink. Drain off any excess grease.
  3. Layer the Ingredients: Spread half of the frozen hash browns evenly across the bottom of the slow cooker. Top with half of the sausage mixture, followed by half of the shredded cheese. Repeat the layers one more time.
  4. Mix the Egg Custard: In a large bowl, whisk together the eggs, milk, dry mustard, salt, and pepper until smooth and well-combined.
  5. Pour and Cook: Gently pour the egg mixture over the layers in the crockpot. Ensure it’s evenly distributed. Cover and cook on low for 6-8 hours or on high for 3-4 hours, until the eggs are set in the center.
An extreme close-up of the hearty slow cooker breakfast casserole, highlighting the melted cheddar cheese and savory sausage crumbles.
Look at that perfectly melted cheese and savory sausage!

Pro-Tips for a Foolproof Breakfast Casserole

Want to guarantee perfection? Keep these expert tips in mind.

  • Avoid Watery Eggs: Don’t skip browning the sausage and vegetables! This step cooks off excess moisture that can make the casserole watery. Also, placing a paper towel under the lid for the last hour of cooking can absorb condensation.
  • Test for Doneness: The casserole is done when the center is firm and a knife inserted into the middle comes out clean. The edges should be golden brown and pulling away from the sides slightly.
  • Don’t Overcook: Overcooking can lead to rubbery eggs. Keep an eye on it, as all slow cookers heat differently.

Delicious Variations to Try

This recipe is a fantastic base for customization. Here are a few ideas to get you started:

Spicy Southwest Style

Add a can of drained diced green chiles and a teaspoon of cumin to the egg mixture. Swap the cheddar for a pepper jack cheese blend and serve with salsa and sour cream. For a truly spicy kick, you could even add some finely chopped jalapeños, similar to the flavor in these Jalapeno Popper Egg Rolls.

Meat Lover’s Dream

Use a combination of cooked bacon, sausage, and diced ham for an extra hearty and flavorful casserole.

Vegetarian Delight

Omit the sausage and load it up with sautéed vegetables like mushrooms, spinach (be sure to squeeze out all the water), and broccoli.

What to Serve with Your Casserole

This Crockpot Breakfast Casserole is a complete meal on its own, but it also pairs beautifully with other breakfast favorites. Serve it with a fresh fruit salad, yogurt, or a side of avocado toast. For a truly decadent brunch, pair a savory slice with something sweet, like these delicious French Toast Cups.

Storage, Freezing, and Reheating Instructions

Leftovers are one of the best parts of this recipe!

  • To Store: Let the casserole cool completely, then store it in an airtight container in the refrigerator for up to 4 days.
  • To Reheat: Reheat individual slices in the microwave for 60-90 seconds or until warmed through.
  • To Freeze: You can freeze individual portions for up to 3 months. Thaw overnight in the refrigerator before reheating. It’s a great way to prep for future busy mornings, just like having a batch of Cheesy Breakfast Rolls ready to go.

Frequently Asked Questions

Absolutely! You can assemble all the layers (hash browns, cooked sausage, cheese) in the greased crockpot insert, cover it, and store it in the refrigerator. Separately, whisk the egg mixture and store it in an airtight container. In the morning, just pour the eggs over the layers and start cooking.

No, it is highly recommended that you fully cook the sausage before adding it to the slow cooker. This not only ensures it’s cooked safely but also allows you to drain excess grease, which prevents the casserole from becoming heavy or greasy.

The casserole is fully cooked when the center is set and no longer jiggly. A knife inserted into the middle should come out clean. The internal temperature should reach 160°F (71°C).

The key is to minimize moisture. First, always brown your sausage and vegetables before adding them to the crockpot to cook off excess water. Second, you can place a clean paper towel under the lid during the last hour of cooking to absorb condensation.

Frozen shredded hash browns are the easiest and most effective option. They provide great texture without needing to be thawed or pre-cooked, which saves significant prep time.

The Ultimate Crockpot Breakfast Casserole Recipe

An extreme close-up of the hearty slow cooker breakfast casserole, highlighting the melted cheddar cheese and savory sausage crumbles.

Crockpot Breakfast Casserole (Easy & Foolproof Recipe)

The ultimate Crockpot Breakfast Casserole recipe! This easy, make-ahead slow cooker meal with sausage, egg, hash browns, and cheese is perfect for a crowd. A foolproof guide to a delicious, non-soggy breakfast casserole every time.
Prep Time 15 minutes
Cook Time 4 hours
Total Time 4 hours 15 minutes
Servings: 8 servings
Course: Breakfast, Brunch
Cuisine: American
Calories: 450

Ingredients
  

  • 1 lb pork sausage crumbled
  • 1 cup chopped onion
  • 1 cup chopped bell pepper any color
  • 1 package (30 oz) frozen shredded hash browns do not thaw
  • 2 cups shredded sharp cheddar cheese
  • 12 large eggs
  • 1/2 cup milk or half-and-half
  • 1 tsp dry mustard
  • 1/2 tsp salt
  • 1/4 tsp black pepper

Equipment

  • 1 6-quart slow cooker
  • 1 Skillet

Method
 

  1. Generously grease the inside of a 6-quart slow cooker with butter or non-stick spray.
  2. In a skillet over medium-high heat, cook the sausage, chopped onion, and bell pepper until the meat is browned and cooked through. Drain any excess grease.
  3. Spread half of the frozen hash browns on the bottom of the prepared slow cooker. Top with half of the sausage mixture and half of the cheese. Repeat the layers.
  4. In a large bowl, whisk together the eggs, milk, dry mustard, salt, and pepper until well combined.
  5. Pour the egg mixture evenly over the layers in the crockpot. Cover and cook on low for 6-8 hours or on high for 3-4 hours, until the eggs are set in the center.

Notes

Tip 1: For clean slices, let the casserole rest for 10 minutes before cutting and serving.
Tip 2: To prevent condensation from making the top watery, you can place a clean paper towel over the crockpot insert before putting on the lid for the last hour of cooking.

Save This Recipe for Later!

This Crockpot Breakfast Casserole is a must-try for anyone who loves a delicious, stress-free morning. It’s perfect for holidays, weekends, or any day you need a breakfast win. If you loved this recipe, please share it on Pinterest! Your shares help us bring more easy and delicious recipes to everyone.

A delicious Crockpot Breakfast Casserole in a white bowl with a fork, showing the texture of eggs, sausage, and melted cheese. The perfect easy make-ahead breakfast recipe.
The easiest and most delicious Crockpot Breakfast Casserole you'll ever make!

You May Also Like...

Leave a Comment

Recipe Rating