Overnight Croissant Breakfast Casserole is a delightful dish that combines the flaky goodness of croissants with the heartiness of a breakfast casserole. This easy overnight breakfast casserole is perfect for families and brunch gatherings. You can prepare it the night before and let it work its magic in the fridge, allowing the flavors to meld beautifully. Imagine waking up to a savory croissant breakfast dish that requires minimal effort and packs a punch of flavor. Let’s dive into how to create this delicious croissant casserole for brunch!

Why You’ll Love This Overnight Croissant Breakfast Casserole

This Overnight Croissant Breakfast Casserole is not just any breakfast dish; it’s a total game changer! Here are a few reasons why you’ll adore it:

It’s incredibly easy to prepare, making it the ultimate quick croissant breakfast recipe.
With layers of buttery croissants, eggs, and cheese, it is a savory croissant breakfast dish that satisfies.
The dish is family-friendly, appealing to both adults and kids alike.
You can customize it with your favorite ingredients, such as vegetables or different cheeses.
This casserole can be served with gravy, making it a delicious croissant casserole for brunch.
The leftovers are perfect for meal prep, ensuring that you have a quick breakfast ready to go!

Ingredients for Overnight Croissant Breakfast Casserole

Gather these items:

1 tbsp olive oil
1 small onion, peeled and chopped
1 lb breakfast sausage, mild flavor
4 large butter croissants (or 8 small croissants)
1 c shredded cheddar cheese
6 large eggs
1/2 c heavy whipping cream
3 c whole milk, divided
1/2 tsp dry mustard powder
1/2 tsp salt (plus additional for the gravy to taste)
1/2 tsp black pepper (plus additional for the gravy to taste)
1/4 tsp paprika
1/4 tsp garlic powder
2 tbsp butter
3 tbsp all-purpose flour

How to Make Overnight Croissant Breakfast Casserole Step-by-Step

Step 1: Heat olive oil in a skillet, add chopped onions and sauté until soft and translucent.
Step 2: Add breakfast sausage to the skillet and cook until browned, draining fat but reserving some for gravy.
Step 3: Allow sausage mixture to cool slightly.
Step 4: Tear croissants into pieces and combine with sausage mixture and cheese in a bowl.
Step 5: Spread mixture in a greased 9×13-inch baking dish.
Step 6: In another bowl, whisk together eggs, heavy cream, 1/2 cup milk, and spices, then pour over the croissant mixture.
Step 7: Cover and refrigerate overnight.
Step 8: Preheat oven to 350°F (175°C) the next day.
Step 9: Bake casserole for 35 to 45 minutes until browned on top.
Step 10: While baking, make the gravy by melting butter and reserved fat, stirring in flour, then gradually adding 2 ½ cups of milk until thickened. Season with salt and pepper.
Step 11: Serve casserole hot alongside gravy.

Overnight Croissant Breakfast Casserole: 5-Star Delight - Overnight Croissant Breakfast Casserole - main visual representation

Pro Tips for the Perfect Overnight Croissant Breakfast Casserole

Keep these in mind:

Let the casserole sit for a few minutes after baking to set before serving.
Experiment with different cheeses for varied flavor.
Consider adding vegetables like spinach or bell peppers for extra nutrition.
Prepare a vegetarian overnight croissant casserole by omitting the sausage.

Best Ways to Serve Overnight Croissant Breakfast Casserole

This casserole is versatile! Here are some serving ideas:

Serve with a side of fresh fruit for a balanced meal.
Pair with a light salad for a refreshing contrast.
Top with a dollop of sour cream or a sprinkle of fresh herbs for added flavor.

How to Store and Reheat Overnight Croissant Breakfast Casserole

To store leftovers, cover the casserole tightly with plastic wrap or foil and refrigerate. Reheat individual portions in the microwave or warm in the oven at 350°F until heated through. This makes for a fantastic meal prep option, ensuring you have breakfast ready at any time!

Frequently Asked Questions About Overnight Croissant Breakfast Casserole

What’s the secret to perfect Overnight Croissant Breakfast Casserole?

The secret lies in letting the croissants soak overnight in the egg mixture, allowing them to absorb flavors and achieve a delightful texture. This is crucial for a successful croissant egg casserole recipe.

Can I make Overnight Croissant Breakfast Casserole ahead of time?

Absolutely! This dish is designed to be prepared the night before, allowing you to enjoy a quick and easy breakfast without any morning hassle. It’s an ideal easy overnight breakfast casserole.

How do I avoid common mistakes with Overnight Croissant Breakfast Casserole?

Avoid overbaking, as this can make the casserole dry. Ensure you monitor the cooking time for the best croissant breakfast casserole. Also, letting it rest before serving helps maintain its structure.

Variations of Overnight Croissant Breakfast Casserole You Can Try

Feel free to explore these creative variations:

Make an Overnight French croissant casserole by adding chocolate or almond paste.
Try a sweet croissant breakfast bake recipe by incorporating cinnamon and sugar.
For a heartier option, include diced potatoes or ham for a filling breakfast.
Opt for a vegetarian version with seasonal vegetables like zucchini or mushrooms.

For more delicious breakfast ideas, check out our latest recipes or try making chocolate oatmeal bars for a sweet treat! If you’re interested in meal prep, our Thanksgiving green bean casserole is a great option.

For more information on the benefits of overnight casseroles, you can read about it here.