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Breakfast casseroles are a go-to for busy mornings or holiday brunches, offering a hearty and flavorful dish that can be prepared ahead of time. This Sausage & Croissant Breakfast Casserole is a crowd-pleasing recipe that combines the best of both worlds: savory sausage, fluffy croissants, and a rich egg custard. With a perfect balance of textures and flavors, this casserole is sure to satisfy everyone at the table. It’s easy to prepare, and you can even customize it to fit your taste. Whether you’re looking for a comforting dish to kick off your morning or a dish to serve during a family gathering, this casserole has got you covered. The combination of tender croissants and flavorful sausage brings an element of indulgence to your breakfast spread, while the creamy egg mixture holds it all together.

This casserole can be prepped the night before, making it a convenient choice for those hectic mornings when you don’t want to spend too much time in the kitchen. You can bake it fresh, or prepare it ahead of time and simply pop it in the oven when you’re ready to enjoy a delicious meal.

Why You’ll Love This Recipe

1. Easy to Make

With simple ingredients and minimal preparation, this casserole comes together in no time. You don’t have to worry about complicated cooking techniques or excessive kitchen cleanup.

2. Hearty & Filling

The combination of sausage and croissants provides a hearty, satisfying meal that will keep you full until lunch. It’s perfect for busy mornings or a brunch with friends and family.

3. Perfect for Meal Prep

This dish can be made ahead of time, so you can bake it fresh or reheat it whenever you need a quick meal. It’s a great way to plan ahead for busy mornings.

4. Versatile Flavor Profile

The flavors of the sausage and croissants pair beautifully, and the egg custard adds richness to the dish. Plus, you can easily customize the casserole to suit your tastes by swapping ingredients or adding extra seasonings.

5. Crowd-Pleaser

Whether you’re hosting a family brunch or looking to impress your guests at a holiday gathering, this casserole is sure to be a hit. It’s a dish everyone will enjoy, from kids to adults.

Ingredients

Sausage
Croissants
Eggs
Milk or cream
Cheese
Onion
Bell peppers
Salt
Pepper
Garlic powder
Mustard (optional)

Variations

Vegetarian Option: Replace the sausage with a plant-based meat alternative or skip the meat altogether for a vegetable-only casserole.
Cheese Swap: Feel free to use different cheeses like cheddar, mozzarella, or even goat cheese for a new flavor profile.
Add Greens: Add spinach, kale, or another leafy green to boost the nutritional value of the casserole.
Spicy Kick: Add chopped jalapeños or a sprinkle of red pepper flakes to introduce a little heat into the dish.

How to Make the Recipe

Step 1: Prepare the Ingredients

Start by cooking the sausage in a skillet over medium heat until browned and fully cooked. Drain excess fat and set aside. Meanwhile, slice the croissants into bite-sized pieces and set them aside as well.

Step 2: Make the Egg Mixture

In a large bowl, whisk together the eggs, milk or cream, salt, pepper, garlic powder, and any additional seasonings. You can also add a teaspoon of mustard for extra flavor.

Step 3: Assemble the Casserole

In a greased baking dish, layer the croissant pieces, followed by the cooked sausage, onions, and bell peppers. Pour the egg mixture over the top, making sure the croissants are well soaked. Sprinkle cheese on top.

Step 4: Bake the Casserole

Cover the baking dish with foil and bake in a preheated oven at 350°F for about 30 minutes. Then, remove the foil and bake for another 10-15 minutes until the casserole is golden brown and set.

Step 5: Serve

Allow the casserole to rest for a few minutes before slicing and serving. Garnish with fresh herbs if desired.

Tips for Making the Recipe

Soggy Croissants: To avoid soggy croissants, be sure to let them soak in the egg mixture long enough to absorb the custard but not too long that they become mushy.
Leftover Croissants: Stale croissants work perfectly for this recipe. The staler the croissant, the better it will absorb the egg mixture.
Cheese Variations: Try experimenting with different cheese blends. Cheddar and Swiss work especially well in this casserole.
Even Cooking: For an even cook, make sure the sausage is crumbled into small pieces and mixed throughout the casserole.

How to Serve

This casserole is fantastic served on its own or paired with fresh fruit, a side of crispy bacon, or roasted potatoes. For a lighter touch, you can serve it with a fresh green salad or some yogurt. A drizzle of hot sauce or a dollop of sour cream also makes for great garnishes to add some extra zing.

Make Ahead and Storage

Storing Leftovers

Store any leftover casserole in an airtight container in the refrigerator for up to 3-4 days. Simply reheat in the microwave or in a 350°F oven for about 10-15 minutes, until warmed through.

Freezing

To freeze, assemble the casserole (but don’t bake it) and cover it tightly with plastic wrap and foil. Store in the freezer for up to 3 months. When ready to bake, let it thaw in the fridge overnight and bake according to the recipe instructions.

Reheating

Reheat the casserole in the oven or microwave until it reaches an internal temperature of 165°F. It’s best enjoyed fresh, but reheating it won’t sacrifice much flavor.

FAQs

1. Can I use a different type of bread for this casserole?

Yes, you can use any bread you like, but croissants add a buttery, flaky texture that works beautifully in this dish.

2. Can I make this casserole the night before?

Yes, you can prepare it the night before and refrigerate it overnight. Bake it in the morning for a quick breakfast.

3. Can I use a different type of sausage?

Absolutely! You can use turkey sausage, Italian sausage, or any kind of breakfast sausage you prefer.

4. Can I make this casserole without eggs?

The eggs are an essential part of the casserole, providing structure. If you need a substitute, you could try a plant-based egg replacer or silken tofu.

5. How long does this casserole take to bake?

It typically takes 40-45 minutes to bake, with 30 minutes covered in foil and 10-15 minutes uncovered to achieve a golden brown top.

6. Can I add mushrooms to the casserole?

Yes, mushrooms are a great addition! You can sauté them before adding them to the casserole.

7. How do I prevent the croissants from getting too soggy?

Be sure to let the croissants soak in the egg mixture for just long enough to absorb the custard without becoming mushy.

8. Can I freeze this casserole?

Yes, you can freeze the unbaked casserole. Just wrap it tightly in foil and plastic wrap, and bake it after thawing.

9. Can I use cream cheese in the casserole?

Adding cream cheese can make the casserole extra creamy. You could mix a few tablespoons into the egg mixture for richness.

10. Can I use almond milk instead of regular milk?

Yes, you can use almond milk or another non-dairy milk as a substitute for regular milk.

Conclusion

This Sausage & Croissant Breakfast Casserole is a delicious, satisfying dish perfect for any morning or special occasion. It’s packed with flavor, easy to make, and versatile enough to suit various preferences. Whether you’re looking to prep it ahead of time or bake it fresh, this casserole will quickly become a favorite in your recipe rotation. Enjoy a delicious, comforting meal that brings everyone together around the breakfast table!