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Slow Cooker Breakfast Casserole

10 servings
Slow Cooker Breakfast Casserole
Make-Ahead

Slow Cooker Breakfast Casserole

Prep20 min
Cook180 min
Total200 min
Serves6
Slow Cooker Breakfast Casserole
Warm, golden breakfast casserole

There's something special about a warm, comforting breakfast on a busy morning. As a h​ome cook, I've always been on the lookout for recipes that are easy to prepare, delicious, and can be made ahead of time. That's why I'm excited to share my slow cooker breakfast casserole recipe with you. This dish is perfect for weekends, holidays, or any day you want to start your morning off right.

I remember the first time I made a breakfast casserole - it was a game-changer for our family. We were able to enjoy a hot, satisfying meal together, even on the busiest of mornings. And the best part? It was incredibly easy to make. Simply assemble the ingredients, pour them into the slow cooker, and let it do its magic.

This slow cooker breakfast casserole is a versatile recipe that can be customized to suit your tastes. You can add your favorite ingredients, such as diced ham, bell peppers, or mushrooms, to make it your own. And because it's made in a slow cooker, you can prepare it the night before and wake up to a delicious, ready-to-eat breakfast.

In this recipe, I'll share my tips and tricks for making the perfect slow cooker breakfast casserole. From the importance of using high-quality ingredients to the secret to getting a golden-brown crust, I'll cover it all. So let's get started and make a breakfast casserole that will become a staple in your household.

Whether you're a busy parent, a student, or simply someone who loves a good breakfast, this slow cooker breakfast casserole is sure to become a favorite. It's easy to make, delicious, and can be customized to suit your tastes. So go ahead, give it a try, and start your day off right with a warm, comforting breakfast casserole.

Why You’ll Love This Recipe

  • This slow cooker breakfast casserole is easy to make and requires minimal preparation time.
  • It's a great way to feed a crowd, whether you're hosting a brunch or just need a quick and easy breakfast for your family.
  • The slow cooker does all the work, so you can focus on other things while your breakfast cooks.
  • You can customize the recipe to suit your tastes by adding your favorite ingredients.
  • It's a healthy and satisfying breakfast option that's perfect for busy mornings.
  • You can make it ahead of time and refrigerate or freeze it for later use.
  • It's a great way to use up leftover bread and vegetables.

Why This Recipe Works

The key to a great slow cooker breakfast casserole is using high-quality ingredients and layering them in a way that allows for even cooking. By using a combination of eggs, cheese, and bread, you'll get a creamy, cheesy, and tender casserole that's sure to please. The slow cooker is also a great way to cook a breakfast casserole, as it allows for low-and-slow cooking that helps to prevent the eggs from scrambling and the cheese from burning.

Another important factor in making a great slow cooker breakfast casserole is the ratio of ingredients. You want to make sure you have enough eggs to bind the casserole together, but not so many that it becomes too eggy. You also want to make sure you have enough cheese to give it flavor, but not so much that it becomes too rich. By finding the right balance of ingredients, you'll get a casserole that's both delicious and satisfying.

Finally, the slow cooker is a great way to make a breakfast casserole because it's so easy to use. Simply assemble the ingredients, pour them into the slow cooker, and let it do its magic. You can even prepare the casserole the night before and wake up to a delicious, ready-to-eat breakfast. This makes it perfect for busy mornings or weekends when you want to spend more time with your family and less time in the kitchen.

Ingredients You’ll Need

To make this slow cooker breakfast casserole, you'll need a few simple ingredients, including eggs, cheese, bread, and your choice of add-ins. Look for high-quality ingredients, such as farm-fresh eggs and artisanal cheese, to give your casserole the best flavor. You'll also want to choose a good bread, such as a crusty baguette or a hearty whole grain, to provide texture and depth to the casserole.

When shopping for ingredients, be sure to check the expiration dates and choose the freshest options available. You'll also want to consider any dietary restrictions or preferences, such as gluten-free or vegetarian, and choose ingredients that fit within those guidelines.

  • 6 large eggsFresh eggs are essential for this recipe, as they provide moisture and richness to the casserole. Look for farm-fresh eggs or choose a high-quality store-bought option.
  • 1 cup shredded cheddar cheeseA good cheddar cheese is essential for this recipe, as it provides a sharp, tangy flavor that complements the eggs and bread. Look for a high-quality, artisanal cheese for the best flavor.
  • 1/2 cup shredded mozzarella cheeseMozzarella cheese adds a creamy, melty texture to the casserole. Look for a high-quality, whole-milk mozzarella for the best flavor.
  • 1/2 cup diced hamDiced ham adds a salty, savory flavor to the casserole. Look for a high-quality, low-sodium ham for the best flavor.
  • 1/2 cup diced bell peppersDiced bell peppers add a sweet, crunchy texture to the casserole. Look for fresh, firm bell peppers for the best flavor.
  • 1/2 cup diced onionDiced onion adds a sweet, caramelized flavor to the casserole. Look for fresh, firm onions for the best flavor.
  • 2 cloves garlic, mincedMinced garlic adds a pungent, savory flavor to the casserole. Look for fresh, firm garlic for the best flavor.
  • 1 cup cubed breadCubed bread provides texture and depth to the casserole. Look for a hearty, crusty bread for the best flavor.
  • 1/2 teaspoon saltSalt enhances the flavors of the other ingredients and helps to bring out the natural sweetness of the eggs and bread.
  • 1/4 teaspoon black pepperBlack pepper adds a sharp, savory flavor to the casserole. Look for freshly ground pepper for the best flavor.
  • 2 tablespoons butter, meltedMelted butter adds a rich, creamy texture to the casserole. Look for high-quality, salted butter for the best flavor.
Ingredients for Slow Cooker Breakfast Casserole

Equipment You’ll Need

Large slow cookerCutting boardChef's knifeMeasuring cups and spoonsInstant-read thermometerWooden spoon

How to Make Slow Cooker Breakfast Casserole

  1. 1
    Preheat the slow cooker to low heat, about 275°F.
  2. 2
    In a large bowl, whisk together the eggs, cheddar cheese, mozzarella cheese, diced ham, diced bell peppers, diced onion, and minced garlic until well combined.
  3. 3
    Add the cubed bread to the bowl and stir until the bread is evenly coated with the egg mixture.
  4. 4
    Pour the melted butter over the bread mixture and stir until the bread is evenly coated.
  5. 5
    Season the mixture with salt and black pepper to taste.
  6. 6
    Pour the mixture into the preheated slow cooker and smooth the top.
  7. 7
    Cover the slow cooker and cook for 2-3 hours, or until the eggs are set and the bread is golden brown.
  8. 8
    Check the internal temperature of the casserole with an instant-read thermometer to ensure it reaches 160°F.
  9. 9
    Remove the casserole from the slow cooker and let it rest for 10-15 minutes before serving.
  10. 10
    Slice the casserole into individual servings and serve hot, garnished with chopped fresh herbs or chives if desired.
  11. 11
    To make ahead, prepare the casserole up to the point of cooking, then refrigerate or freeze until ready to cook. Cook as directed, adding a few extra minutes to the cooking time if necessary.

Expert Tips

  • Use high-quality ingredients, such as farm-fresh eggs and artisanal cheese, for the best flavor.
  • Choose a hearty, crusty bread for the best texture.
  • Don't overmix the bread mixture, as this can make the casserole tough.
  • Let the casserole rest for 10-15 minutes before serving to allow the eggs to set and the bread to absorb any excess moisture.
  • Experiment with different add-ins, such as diced ham or bell peppers, to customize the recipe to your tastes.
  • Consider making a double batch of the casserole and freezing it for later use.
  • To reheat a frozen casserole, simply thaw it overnight in the refrigerator, then cook it in the slow cooker as directed, adding a few extra minutes to the cooking time if necessary.
  • To add some extra flavor to the casserole, try adding a sprinkle of dried herbs, such as thyme or oregano, to the bread mixture before cooking.

Common Mistakes to Avoid

  • Overmixing the bread mixture, which can make the casserole tough.
  • Not cooking the casserole long enough, which can result in undercooked eggs and bread.
  • Not letting the casserole rest before serving, which can make it difficult to slice and serve.
  • Using low-quality ingredients, which can affect the flavor and texture of the casserole.
  • Not checking the internal temperature of the casserole, which can result in undercooked or overcooked eggs.
  • Not refrigerating or freezing the casserole promptly after cooking, which can result in food safety issues.

Variations and Substitutions

  • Add diced ham or bacon to the bread mixture for a smoky, savory flavor.
  • Use different types of cheese, such as feta or goat cheese, for a unique flavor.
  • Add some heat to the casserole by incorporating diced jalapenos or red pepper flakes.
  • Use whole wheat or gluten-free bread for a healthier twist on the recipe.
  • Add some fresh herbs, such as parsley or chives, to the bread mixture for a bright, fresh flavor.
  • Make individual servings of the casserole in ramekins or small cups for a fun and easy breakfast or brunch option.
  • Try using different types of milk, such as almond or soy milk, for a non-dairy version of the recipe.

What to Serve With Slow Cooker Breakfast Casserole

This slow cooker breakfast casserole is perfect for serving at a brunch or breakfast gathering. You can serve it alongside other breakfast favorites, such as pancakes or waffles, or offer it as a main dish with a side of fresh fruit or hash browns.

Consider pairing the casserole with a variety of beverages, such as coffee, tea, or juice, for a well-rounded breakfast or brunch spread. You could also offer a selection of toppings, such as sour cream, salsa, or shredded cheese, to allow guests to customize their servings.

Serve with a side of fresh fruit or hash brownsOffer a selection of toppings, such as sour cream or salsaPair with a variety of beverages, such as coffee or juiceMake individual servings in ramekins or small cupsTry using different types of milk, such as almond or soy milk, for a non-dairy version of the recipeAdd some fresh herbs, such as parsley or chives, to the bread mixture for a bright, fresh flavor

Make-Ahead, Storage, Freezing and Reheating

This slow cooker breakfast casserole can be made ahead and refrigerated or frozen for later use. To refrigerate, prepare the casserole up to the point of cooking, then cover it with plastic wrap or aluminum foil and store it in the refrigerator for up to 24 hours. To freeze, prepare the casserole up to the point of cooking, then transfer it to a freezer-safe dish or container and store it in the freezer for up to 3 months.

To reheat a refrigerated casserole, simply cook it in the slow cooker as directed, adding a few extra minutes to the cooking time if necessary. To reheat a frozen casserole, thaw it overnight in the refrigerator, then cook it in the slow cooker as directed, adding a few extra minutes to the cooking time if necessary.

When reheating the casserole, be sure to check the internal temperature to ensure it reaches 160°F. You can also reheat individual servings in the microwave or oven, if desired. Simply cook on high for 30-60 seconds, or until the casserole is heated through.

Frequently Asked Questions

Can I make this recipe in a conventional oven?

Yes, you can make this recipe in a conventional oven. Simply preheat the oven to 350°F and cook the casserole for 25-30 minutes, or until the eggs are set and the bread is golden brown.

Can I use different types of bread for this recipe?

Yes, you can use different types of bread for this recipe. Simply choose a bread that is hearty and crusty, such as a baguette or ciabatta, and cut it into 1-inch cubes.

Can I add other ingredients to the casserole?

Yes, you can add other ingredients to the casserole, such as diced ham or bell peppers. Simply add them to the bread mixture before cooking and adjust the cooking time as needed.

How long can I store the casserole in the refrigerator or freezer?

You can store the casserole in the refrigerator for up to 24 hours or in the freezer for up to 3 months. Simply reheat it in the slow cooker or oven when you're ready to serve it.

Can I make individual servings of the casserole?

Yes, you can make individual servings of the casserole. Simply divide the bread mixture among 6-8 ramekins or small cups and cook in the slow cooker or oven until the eggs are set and the bread is golden brown.

What is the internal temperature of the casserole when it's done?

The internal temperature of the casserole should be at least 160°F when it's done. Use an instant-read thermometer to check the temperature and ensure food safety.

Can I reheat the casserole in the microwave?

Yes, you can reheat the casserole in the microwave. Simply cook on high for 30-60 seconds, or until the casserole is heated through.

Is this recipe gluten-free?

No, this recipe is not gluten-free, as it contains bread. However, you can make a gluten-free version of the recipe by using gluten-free bread and adjusting the cooking time as needed.

The Full Recipe
Recipe Card
Slow Cooker Breakfast Casserole

Slow Cooker Breakfast Casserole

Start your day with a delicious slow cooker breakfast casserole, perfect for busy mornings and weekends. I share my secrets for a creamy, cheesy, and easy breakfast recipe.

Prep20 min
Cook180 min
Total200 min
Serves6
Pin Recipe

Ingredients

  • 6 large eggs
  • 1 cup shredded cheddar cheese
  • 1/2 cup shredded mozzarella cheese
  • 1/2 cup diced ham
  • 1/2 cup diced bell peppers
  • 1/2 cup diced onion
  • 2 cloves garlic, minced
  • 1 cup cubed bread
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 2 tablespoons butter, melted

Instructions

  1. Preheat the slow cooker to low heat, about 275°F.
  2. In a large bowl, whisk together the eggs, cheddar cheese, mozzarella cheese, diced ham, diced bell peppers, diced onion, and minced garlic until well combined.
  3. Add the cubed bread to the bowl and stir until the bread is evenly coated with the egg mixture.
  4. Pour the melted butter over the bread mixture and stir until the bread is evenly coated.
  5. Season the mixture with salt and black pepper to taste.
  6. Pour the mixture into the preheated slow cooker and smooth the top.
  7. Cover the slow cooker and cook for 2-3 hours, or until the eggs are set and the bread is golden brown.
  8. Check the internal temperature of the casserole with an instant-read thermometer to ensure it reaches 160°F.
  9. Remove the casserole from the slow cooker and let it rest for 10-15 minutes before serving.
  10. Slice the casserole into individual servings and serve hot, garnished with chopped fresh herbs or chives if desired.
  11. To make ahead, prepare the casserole up to the point of cooking, then refrigerate or freeze until ready to cook. Cook as directed, adding a few extra minutes to the cooking time if necessary.

Nutrition (per serving, approximate)

350Calories
20gProtein
30gCarbs
15gFat