Crockpot Breakfast Casserole is the ultimate way to start your morning off right! This casserole is packed with all of your favorite breakfast ingredients – like bacon, eggs, potatoes and cheese – in one easy-to-make dish. Plus, you can prepare it ahead of time and just let it cook in the crockpot overnight. Enjoy a hot and delicious breakfast casserole with minimal effort!
Crockpot Overnight Breakfast Casserole
Easy Crockpot Breakfast Casserole recipes make the best morning meals, not only because they require no babysitting, but also because they are filled with delicious flavors and simple ingredients to start the day after a good night’s sleep.
Simply layer it all in the crock pot, set the timer, get some rest, and your slow cooker breakfast is ready for serving right when you walk in the kitchen.
Our slow cooker breakfast casserole is made using O’Brien hash browns to speed up the prep process, with the potatoes already chopped and more red and green bell peppers in the mixture.
When you’re not in the mood for something sweet (like a French Toast Casserole, Cinnamon Roll Waffles, or Blueberry Pancake Mix Muffins), nothing sounds more satisfying than a bacon and sausage breakfast casserole filled with gooey cheese, fluffy eggs, plus potatoes and protein of your choice.
Why We Love This Overnight Crockpot Breakfast Casserole Recipe
- Quick and easy to prepare.
- Uses simple kitchen staple ingredients.
- A crock pot breakfast is completely customizable – switch the types of peppers, swap the types of meats, or eliminate them altogether and make a vegetarian version.
- Delicious comfort food for feeding a crowd.
- Perfect meal for Christmas morning, hectic weekday breakfast, lazy weekend brunch, potlucks, or even dinner.
Ingredients for slow Cooker Breakfast Casserole
- Frozen shredded hash brown potatoes
- Green bell pepper
- Red bell pepper
- Sweet yellow onion
- Mild breakfast sausage
- Smoked bacon
- Sharp cheddar cheese
- Eggs
- Half and half
- Onion powder
- Kosher salt
- Cracked black pepper
Substitutions and Additions
- More Meat Ideas: Any breakfast meat will work perfectly in this recipe. Try turkey sausage, chicken sausage, turkey bacon, or diced ham. Or make a vegetarian version and use veggie bacon, veggie sausage, or your favorite meat alternative.
- Serving Suggestions: This breakfast casserole is delicious as it is, but you can also serve it with salsa, sour cream, pico de gallo, cilantro, avocado, or diced green onion on top or on the side.
- Add Some Spice: If you want a spicier casserole, you can use hot sausage instead of mild. You can also add tabasco sauce to the egg mixture, or diced green chiles.
- Choose Your Cheese: Any cheese that melts well will work in your casserole. You can try Swiss, mozzarella, pepper jack, Monterey jack, and Colby jack cheddar if you prefer it to cheddar.
Recommended Tools
- 6 to 7-quart crock pot
- Nonstick cooking spray
How to Make Crockpot Breakfast Casserole
- Prepare The Crockpot: Spread the frozen hash browns in the bottom of the crockpot, sprinkle with green and red peppers and onion, top with cooked sausage and cooked bacon, and cover with cheese.
- Make The Egg Mixture: Whisk together the eggs, half and half, onion powder, salt, and cracked black pepper. Pour the egg mixture over the cheese layer.
- Cook: Cook on low for 8 hours or or on high for 4-6 hours.
- Serve: Serve while hot. Enjoy!
Tips For Making Breakfast Casserole in the Crock pot
- You must spray the crockpot first. this dish cooks for quite a long time and will burn or stick otherwise.
- You can use a slow cooker liner for easy cleanup.
- If you don’t want to use regular eggs, this recipe will work with egg substitutes.
What To Serve With Breakfast Casserole
This breakfast casserole is a delicious one-dish meal because it is packed with protein, carbs, and veggies. However, if you are preparing breakfast or brunch for a crowd, it pairs perfectly with our simple Fruit Salad, Cinnamon Roll Bread, Strawberry Banana Cheesecake Saladand French Toast Waffles.
Storage
- To Store: Store any leftovers in an airtight container in the refrigerator for up to 3 days.
- To Freeze: Store cooked and cooled casserole in a freezer-safe container in the freezer for up to 2 months. Thaw overnight in the refrigerator before reheating.
- To Reheat: Reheat in the microwave.
More Easy Brunch Recipes
Crockpot Breakfast Casserole
Ingredients
- 28 ounces package of frozen O’Brien hash browns
- 1 cup (1 medium) diced green bell pepper
- 1 cup (1 medium) diced red bell pepper
- ½ cup diced sweet yellow onion
- 1 pound (2 cups) cooked and crumbled mild breakfast sausage
- 1 pound (1¼ cups) cooked and crumbled smoked bacon
- 3 cups freshly shredded sharp cheddar cheese
- 12 large eggs
- ¾ cup half and half
- 1 tablespoon onion powder
- 1½ teaspoons kosher salt
- 1 teaspoon cracked black pepper
Instructions
- Generously spray a 6 to 7-quart crock pot with nonstick cooking spray.
- Spread the frozen hash browns in the bottom of the prepared crockpot.
- Sprinkle the green and red diced bell peppers and the diced onion over the hash browns.
- Sprinkle the cooked sausage and cooked bacon over the diced vegetables.
- Sprinkle the freshly shredded cheese over the meat layer.
- Add the 12 eggs, half and half, onion powder, kosher salt, and cracked black pepper to a large mixing bowl. Whisk to combine completely.
- Pour the egg mixture over the cheese layer. Cook on low for 8 hours. Serve while hot.
Jenn’s Notes
- To Store: Store any leftovers in an airtight container in the refrigerator for up to 3 days.
- To Freeze: Store cooked and cooled casserole in a freezer-safe container in the freezer for up to 2 months. Thaw overnight in the refrigerator before reheating.
- To Reheat: Reheat in the microwave.
- You must spray the crockpot first. this dish cooks for quite a long time and will burn or stick otherwise.
- You can use a slow cooker liner for an easy cleanup.
- If you don’t want to use regular eggs, this recipe will work with egg substitute.
