Overnight Croissant Breakfast Casserole
Overnight Croissant Breakfast Casserole
Start your day off right with an Overnight Croissant Breakfast Casserole! This hearty dish combines the buttery, flaky texture of croissants with a creamy, cheesy egg mixture, and savory bits of ham or bacon. Perfect for lazy weekends or holiday gatherings, this casserole allows for easy preparation the night before. Just pop it in the oven in the morning, and you’ll have a delicious breakfast ready to serve.
Why Make This Recipe
The Overnight Croissant Breakfast Casserole is a delightful twist on traditional breakfast dishes. Not only does it boast a mouthwatering combination of flavors, but it’s also incredibly easy to prepare. By letting the casserole sit overnight, the croissants soak up all the glorious flavors, resulting in a rich, custard-like texture. Plus, you can customize it with your favorite ingredients, making it suitable for various dietary preferences. Whether you’re feeding a crowd or enjoying a quiet brunch at home, this recipe is sure to impress.
How to Make Overnight Croissant Breakfast Casserole
Creating this delicious casserole is simple—here’s your step-by-step guide:
Ingredients
- 6 croissants, torn into pieces
- 6 large eggs
- 2 cups milk
- 1 cup shredded cheese (like Gruyère or cheddar)
- 1 cup cooked ham or bacon, diced
- 1/4 cup chopped fresh parsley
- Salt and pepper to taste
- Optional: diced vegetables (like bell peppers or spinach)
Directions
- Preheat the oven to 350°F (175°C).
- In a large bowl, whisk together the eggs, milk, salt, and pepper until well combined.
- Grease a 9×13 inch baking dish and layer the torn croissants evenly in the dish.
- Sprinkle the cooked ham or bacon, cheese, and any optional vegetables over the croissants.
- Pour the egg mixture over the croissant layers, ensuring everything is well-coated.
- Cover the dish with plastic wrap and refrigerate overnight.
- In the morning, remove from the refrigerator and let it sit for 30 minutes at room temperature.
- Bake in the preheated oven for 35-40 minutes or until the casserole is set and golden brown.
- Garnish with fresh parsley and serve warm.
How to Serve Overnight Croissant Breakfast Casserole
Serve your Overnight Croissant Breakfast Casserole warm from the oven, garnished with fresh parsley for a pop of color. Pair it with fresh fruit for a balanced meal, or offer a selection of breakfast beverages, like coffee or fresh juice, for an inviting brunch spread.
How to Store Overnight Croissant Breakfast Casserole
If you have leftovers (which is rare, considering how delicious this dish is!), store them in an airtight container in the refrigerator for up to three days. To reheat, place individual pieces in the microwave or oven until warmed through.
Tips to Make Overnight Croissant Breakfast Casserole
- For an extra touch, consider adding spices like garlic powder or onion powder to your egg mixture.
- Experiment with different types of cheese or add ingredients like cooked sausage, different meats, or fresh herbs to customize the flavor.
- Allow the casserole to cool before storing to prolong freshness.
Variations
- Vegetarian Version: Omit the meat and add a variety of vegetables like zucchini, mushrooms, or asparagus.
- Gluten-Free Version: Substitute croissants with gluten-free bread or an alternative like polenta.
- Cheesy Delight: Combine multiple types of cheese for a richer flavor profile.
FAQs
-
Can I use stale croissants for the casserole?
- Yes! Stale croissants work perfectly as they absorb the egg mixture well and add a nice texture.
-
Can I freeze the Overnight Croissant Breakfast Casserole?
- Yes, you can freeze it before baking. Wrap it tightly in foil and store in the freezer for up to two months. Thaw it in the fridge overnight before baking.
-
How can I make this recipe spicy?
- Add diced jalapeños or a dash of hot sauce to the egg mixture for a spicy kick!
This Overnight Croissant Breakfast Casserole is not only delicious but also incredibly versatile. Whether you’re hosting a brunch or simply want a special breakfast at home, this recipe is sure to please everyone at the table!

Overnight Croissant Breakfast Casserole
Ingredients
Main Ingredients
- 6 pieces croissants, torn into pieces
- 6 large eggs
- 2 cups milk
- 1 cup shredded cheese (like Gruyère or cheddar)
- 1 cup cooked ham or bacon, diced
- 1/4 cup chopped fresh parsley
- Salt and pepper to taste
- Optional: diced vegetables (like bell peppers or spinach)
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a large bowl, whisk together the eggs, milk, salt, and pepper until well combined.
- Grease a 9×13 inch baking dish and layer the torn croissants evenly in the dish.
- Sprinkle the cooked ham or bacon, cheese, and any optional vegetables over the croissants.
- Pour the egg mixture over the croissant layers, ensuring everything is well-coated.
- Cover the dish with plastic wrap and refrigerate overnight.
Baking
- In the morning, remove from the refrigerator and let it sit for 30 minutes at room temperature.
- Bake in the preheated oven for 35-40 minutes or until the casserole is set and golden brown.
- Garnish with fresh parsley and serve warm.