Name: Delicious Overnight Croissant Breakfast Casserole Recipe
Prep time: 15 min
Cook time: 45 min
Total time: PT-497580H30M7S
Cuisine: American
Ingredients: 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

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Overnight Croissant Breakfast Casserole is the ultimate way to elevate your morning meal. This dish combines buttery croissants, savory sausage, and melted cheese into a delightful casserole baked to golden perfection. Imagine waking up to the aroma of this easy overnight croissant casserole, ready to serve with minimal effort. It’s perfect for lazy weekends, family gatherings, or holiday brunches, and with just a little prep the night before, you can turn breakfast into a celebration!

Why You’ll Love This Overnight Croissant Breakfast Casserole

This breakfast casserole is not only delicious but also incredibly easy to prepare. Here are six reasons why you’ll fall in love with it:

Time-saving: Prep the night before for a quick morning meal.
Flavorful: The combination of sausage and cheese creates a savory delight.
Versatile: Customize with vegetables or fruits for a unique twist.
Feeding a crowd: Perfect for serving 8 people, making it ideal for gatherings.
Comfort food: Every bite is warm and satisfying, perfect for chilly mornings.
Gluten-free option: Easily adjustable to fit dietary needs.

This overnight croissant egg dish is a must-try for any breakfast lover. It captures the essence of a classic brunch while allowing for creativity in the kitchen.

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 the sausage to the skillet and cook until browned, then drain the fat (save some for gravy), and let it cool slightly.
Step 3: Tear croissants into pieces and combine them with the sausage mixture and shredded cheese in a bowl.
Step 4: Spread the croissant mixture into a greased 9×13-inch baking dish.
Step 5: Whisk together eggs, heavy cream, half a cup of milk, and spices in a bowl; pour over the croissant mixture.
Step 6: Cover the dish and refrigerate overnight.
Step 7: The next day, preheat the oven to 350°F (175°C). Bake the casserole for 35 to 45 minutes until golden brown on top.
Step 8: While baking, prepare the gravy by melting butter with reserved sausage fat, stirring in flour, and gradually adding 2½ cups of milk, cooking until thickened. Season with salt and pepper.
Step 9: Serve the casserole hot with gravy on the side.

Pro Tips for the Perfect Overnight Croissant Breakfast Casserole

Keep these in mind:

For best flavor, use fresh ingredients.
Allow the casserole to rest for a few minutes after baking for easy slicing.
Experiment with different cheeses or add vegetables for a savory croissant breakfast bake recipe.

Best Ways to Serve Overnight Croissant Breakfast Casserole

Consider these serving ideas:

Pair with fresh fruit for a sweet croissant breakfast casserole experience.
Serve alongside a light salad for a hearty brunch.
Top with chives or parsley for added flavor and color.

How to Store and Reheat Overnight Croissant Breakfast Casserole

Store any leftovers in an airtight container in the refrigerator. Reheat in the oven at 350°F until warmed through. This dish is perfect for meal prep and can be made ahead of time for busy mornings.

Frequently Asked Questions About Overnight Croissant Breakfast Casserole

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

The key is allowing the croissants to soak in the egg mixture overnight, ensuring they absorb all the flavors and become soft and fluffy during baking.

Can I make Overnight Croissant Breakfast Casserole ahead of time?

Absolutely! This recipe is designed for make-ahead convenience. Simply prepare it the night before and bake it fresh in the morning.

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

Ensure the croissants are torn into bite-sized pieces for even soaking. Also, don’t skip the resting time after baking to allow it to set properly.

Variations of Overnight Croissant Breakfast Casserole You Can Try

Here are a few creative twists to enhance your casserole:

Add sautéed spinach or bell peppers for a breakfast casserole with vegetables.
Incorporate fruits like berries for a sweet touch in a croissant breakfast bake with fruit.
Replace sausage with ham or bacon for a savory croissant breakfast bake recipe.

With so many possibilities, you can customize your overnight croissant breakfast casserole to suit your taste preferences!

Delicious Overnight Croissant Breakfast Casserole Recipe - Overnight Croissant Breakfast Casserole - additional detail

For more delicious breakfast ideas, check out our latest recipes or try making a Blueberry Cottage Cheese Bake for a delightful twist. You can also explore our Creamy Garlic Shrimp Recipe for a savory option!

Delicious Overnight Croissant Breakfast Casserole Recipe

Author: Jannet Lisa
Total Time: Overnight + 1 hour
Yield: 8 servings 1x
Diet: Gluten Free

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Description

A delicious Overnight Croissant Breakfast Casserole featuring buttery croissants, sausage, and cheese, baked to perfection.

Instructions

Heat olive oil in a skillet; add chopped onions and sauté until soft and translucent.
Add the sausage to the skillet and cook until browned, then drain the fat (save some for gravy), and let it cool slightly.
Tear croissants into pieces and combine them with the sausage mixture and shredded cheese in a bowl.
Spread the croissant mixture into a greased 9×13-inch baking dish.
Whisk together eggs, heavy cream, half a cup of milk, and spices in a bowl; pour over the croissant mixture.
Cover the dish and refrigerate overnight.
The next day, preheat the oven to 350°F (175°C). Bake the casserole for 35 to 45 minutes until golden brown on top.
While baking, prepare the gravy by melting butter with reserved sausage fat, stirring in flour, and gradually adding 2½ cups of milk, cooking until thickened. Season with salt and pepper.
Serve the casserole hot with gravy on the side.