Brunch is my favorite way to bring friends and family together, and there’s nothing that gets everyone excited like a warm, cheesy Croissant Breakfast Casserole. I remember the first time I made this dish for a gathering; the buttery croissants soaked up all the delicious egg and cheese, creating a heavenly bite that had everyone coming back for seconds. It’s such a crowd-pleaser! The best part? It’s super easy to whip up. Just tear up some croissants, whisk a few eggs, and layer it all together. I love how versatile this casserole is—feel free to throw in your favorite veggies or swap out the ham for bacon. Trust me, once you try it, you’ll want this casserole in your brunch rotation every weekend!

Ingredients List
Here’s everything you’ll need to create this mouthwatering Croissant Breakfast Casserole. Make sure you have these ingredients on hand before you start!
- 6 large croissants, torn into bite-sized pieces
- 6 large eggs
- 2 cups milk
- 1 cup shredded cheese (I love using a mix of cheddar and mozzarella!)
- 1 cup diced ham (or your favorite protein)
- 1/2 cup chopped green onions
- Salt, to taste
- Pepper, to taste
Feel free to get creative with the ingredients—this casserole is super forgiving and can adapt to what you have in your pantry! Enjoy mixing and matching!
How to Prepare the Croissant Breakfast Casserole
Now that you’ve got all your ingredients ready, let’s dive into the simple steps to whip up this delicious Croissant Breakfast Casserole! Trust me, it’s as easy as pie—or should I say, as easy as a buttery croissant?
Step-by-Step Instructions
- First, preheat your oven to 350°F (175°C). This is super important because you want that perfect golden-brown top!
- In a large mixing bowl, whisk together the 6 eggs and 2 cups of milk until it’s all smooth and combined. This will create a rich custard base that makes the casserole so dreamy.
- Don’t forget to season your egg mixture with salt and pepper to taste. A little seasoning goes a long way in bringing out the flavors!
- Next, take a greased baking dish (about 9×13 inches works great) and layer in those torn croissant pieces. Make sure to spread them out evenly for the best texture.
- Now, sprinkle the diced ham, shredded cheese, and chopped green onions over the croissants, making sure every bite has a bit of everything!
- Finally, pour that luscious egg mixture evenly over the top of the casserole, soaking all those croissant pieces.
- Pop it in the oven and bake for 30-35 minutes. You’ll know it’s done when the center is set and the top is golden brown and bubbly. The smell wafting through your kitchen will be absolutely irresistible!
- Once it’s out, let it cool for a few minutes before slicing. This will help it hold together better when you serve it up.
And there you have it! A fabulous Croissant Breakfast Casserole that’s sure to impress everyone at the table. Enjoy every cheesy, fluffy bite!
Why You’ll Love This Recipe
- It’s incredibly easy to prepare—perfect for busy mornings or lazy brunches!
- The combination of buttery croissants, creamy eggs, and melted cheese creates a flavor explosion.
- Versatile enough to customize with your favorite proteins and veggies.
- Great for feeding a crowd—just slice and serve!
- Leftovers (if there are any!) taste just as amazing the next day.
Tips for Success
To ensure your Croissant Breakfast Casserole turns out perfectly every time, here are a few handy tips! First, make sure your croissants are a day or two old; slightly stale croissants absorb the egg mixture better and help create that dreamy texture. If your casserole seems too watery after baking, it might be because the croissants didn’t soak up enough of the egg mixture—next time, let it sit for 10-15 minutes before baking to allow everything to soak in. Also, don’t skip the seasoning! A little salt and pepper can elevate the dish immensely. If you’re adding extra veggies, be sure to sauté them first to remove excess moisture, which keeps the casserole from becoming soggy. Lastly, let your casserole cool for a few minutes before slicing; this helps it hold its shape and makes serving a breeze. Enjoy your delicious creation!
Variations
One of the best things about this Croissant Breakfast Casserole is how adaptable it is! If you’re feeling adventurous, why not try swapping out the ham for crispy bacon or spicy chorizo for a kick? You could also make it meat-free by loading it up with sautéed mushrooms, spinach, or bell peppers—just remember to cook those veggies first to keep the texture just right. For a Mediterranean twist, add feta cheese and sun-dried tomatoes. And if you’re a fan of herbs, throw in some fresh basil or parsley for an aromatic touch. The possibilities are endless, so have fun experimenting!
Nutritional Information
Here’s a rough estimate of the nutritional information for each slice of this delightful Croissant Breakfast Casserole. Each serving contains approximately 350 calories, 20g of fat, 15g of protein, and 30g of carbohydrates. Keep in mind that these values can vary based on the specific ingredients you use, so it’s always a good idea to adjust based on your favorite additions. Enjoy every delicious bite guilt-free!
FAQ Section
Can I make the Croissant Breakfast Casserole ahead of time?
Absolutely! You can assemble the casserole the night before, cover it, and store it in the fridge. Just pop it in the oven the next morning when you’re ready to bake. It’ll save you time and still taste amazing!
Can I use different types of bread?
Sure thing! While croissants give the best buttery flavor, you can substitute with other breads like brioche or even day-old bagels. Just keep in mind that the texture and taste will slightly change, but it will still be delicious!
What can I use instead of ham?
You can easily swap ham for bacon, sausage, or even tofu for a vegetarian option. Or go meatless by loading up on your favorite veggies like spinach, zucchini, or bell peppers. It’s all about what you love!
How do I store leftovers?
Store any leftovers in an airtight container in the fridge for up to 3 days. Just reheat individual slices in the microwave or oven until warmed through. Trust me, it’s just as yummy the next day!
Can I freeze the Croissant Breakfast Casserole?
Yes! You can freeze it either before baking or after it’s cooked. If freezing unbaked, cover well and bake straight from the freezer when you’re ready. If it’s cooked, let it cool completely before wrapping and freezing. Just thaw overnight in the fridge before reheating!
Storage & Reheating Instructions
To store any leftovers of your delicious Croissant Breakfast Casserole, simply transfer it to an airtight container and keep it in the refrigerator for up to 3 days. When you’re ready to enjoy it again, reheat individual slices in the microwave for about 1-2 minutes until warmed through. If you prefer, you can also pop it in a preheated oven at 350°F (175°C) for about 10-15 minutes. This will help maintain that lovely texture and melty cheese. Trust me, it’s just as tasty the second time around!
Print
Croissant Breakfast Casserole: 7 Delicious Reasons to Indulge
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: 8 servings 1x
- Category: Breakfast
- Method: Baking
- Cuisine: French
- Diet: Vegetarian
Description
A delicious croissant breakfast casserole perfect for brunch.
Ingredients
- 6 large croissants, torn into pieces
- 6 large eggs
- 2 cups milk
- 1 cup shredded cheese
- 1 cup diced ham
- 1/2 cup chopped green onions
- Salt to taste
- Pepper to taste
Instructions
- Preheat your oven to 350°F (175°C).
- In a large bowl, whisk together eggs and milk.
- Add salt and pepper to the egg mixture.
- In a greased baking dish, layer the torn croissant pieces.
- Sprinkle the ham, cheese, and green onions over the croissants.
- Pour the egg mixture evenly over the top.
- Bake for 30-35 minutes until set and golden brown.
- Let it cool for a few minutes before serving.
Notes
- Can substitute ham with bacon or sausage.
- Feel free to add other vegetables.
- Best served warm.
Nutrition
- Serving Size: 1 slice
- Calories: 350
- Sugar: 2g
- Sodium: 600mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 1g
- Protein: 15g
- Cholesterol: 150mg
Keywords: Croissant Breakfast Casserole