The Ultimate Breakfast Indulgence Awaits You
Ever woken up to the mouthwatering aroma of buttery croissants mingled with cheesy goodness? That’s what the Overnight Croissant Breakfast Casserole brings to your morning table! This dish turns those delightful flaky pastries into a creamy, savory casserole that’s just as easy to make as it is to devour. Plus, it’s a one-pan wonder that will have everyone doing double takes at breakfast.
Why Make This Recipe
Imagine serving a rich and satisfying breakfast without spending all morning in the kitchen. This casserole does just that! Here are a few reasons why you’ll love it:
- Easy Cleanup: Who wants to deal with a mountain of dishes? This is a one-pan meal, so just pop it in the oven and relax while it bakes.
- Family-Friendly: Everyone loves a good breakfast, and this dish is perfect for families. It’s customizable, so pick and choose toppings that fit everyone’s taste.
- Make-Ahead Convenience: Just prepare it the night before and throw it in the oven in the morning. It’s like a breakfast that cooks itself while you sip your coffee! ☕️
Ingredients
You don’t need fancy stuff — just these basics!
- 4 croissants, torn into pieces
- 6 eggs
- 2 cups milk
- 1 cup shredded cheese (cheddar or your preference)
- 1/2 cup diced ham or cooked bacon (optional)
- Salt and pepper to taste
- 1 teaspoon vanilla extract
- 1 tablespoon maple syrup (optional)
- Fresh herbs for garnish (optional)
Directions
Let’s get this breakfast casserole party started! Here’s how you do it:
- Preheat your oven to 350°F (175°C).
- In a large bowl, whisk together the eggs, milk, vanilla extract, maple syrup, salt, and pepper.
- Grease a baking dish and layer the torn croissant pieces evenly in the dish.
- Sprinkle the diced ham or bacon (if using) and shredded cheese over the croissants.
- Pour the egg mixture evenly over the croissants and toppings, ensuring everything is well soaked.
- Cover the dish with plastic wrap and refrigerate overnight.
- In the morning, remove the plastic wrap and bake for 35-40 minutes until the casserole is set and golden brown.
- Garnish with fresh herbs if desired and serve warm.
How to Make Overnight Croissant Breakfast Casserole (Overview)
Here’s the scoop on making this dreamy casserole. Start by prepping your ingredients the night before to save on time. Tear the croissants and toss them into a greased baking dish, like you’re assembling a delicious puzzle.
Next, whisk your egg mixture vigorously. Pro Tip: For added flavor, don’t skip on the vanilla extract and maple syrup— trust me, they elevate the entire dish. Let the mixture soak overnight, and when morning rolls around, pop it into the oven, and just breathe in the goodness!

How to Serve Overnight Croissant Breakfast Casserole
This dish looks as good as it tastes! Serve the casserole warm with a sprinkle of fresh herbs for a pop of color. Pair it with fresh fruit or a drizzle of maple syrup to enhance the flavors. You’re inviting everyone to savor the golden-brown crust while digging into that soft, creamy inside. Nothing says weekend vibes like a rich, cheesy breakfast casserole! 😋
How to Store Overnight Croissant Breakfast Casserole
Got leftovers? Lucky you! This casserole keeps well in the fridge for about 3-4 days. Just cover it tightly to keep it fresh. Want to enjoy it later? You can freeze it, too! Cut it into portions and wrap them individually.
For reheating, pop it in the oven at 350°F (175°C) until warmed through— about 20 minutes should do the trick. Enjoy those leftovers just like fresh!
Tips to Make Overnight Croissant Breakfast Casserole
Here are some insider tricks to make your casserole even better:
- Use day-old croissants for added texture— they soak up the egg mixture beautifully.
- Swap the ham and cheese with veggies like spinach or bell peppers for a lighter option.
- If you want a kick, add some hot sauce to the egg mixture. Spice lovers, rejoice!
- For a vegan version, substitute the eggs and milk with chickpea flour and plant-based milk.
Variation
Feel free to customize! Add ingredients like spinach, mushrooms, or your favorite seasonings for a unique twist. Want it vegan? Use a plant-based egg substitute and non-dairy milk! The possibilities are endless.
FAQs
1. Can I make this casserole without croissants?
Absolutely! Try using brioche or any bread you have on hand. Just make sure it’s slightly stale for best results.
2. Can I prepare this in advance?
Yes! You can mix everything the night before and bake it in the morning. Super convenient!
3. How can I reheat leftovers?
Pop it back in the oven at 350°F (175°C) until warmed through. Microwave works too but may not maintain the crispiness. 🔄
📌 Pin this recipe for your next cozy dinner night!

Overnight Croissant Breakfast Casserole
Ingredients
Method
- Preheat your oven to 350°F (175°C).
- In a large bowl, whisk together the eggs, milk, vanilla extract, maple syrup, salt, and pepper.
- Grease a baking dish and layer the torn croissant pieces evenly in the dish.
- Sprinkle the diced ham or bacon (if using) and shredded cheese over the croissants.
- Pour the egg mixture evenly over the croissants and toppings, ensuring everything is well soaked.
- Cover the dish with plastic wrap and refrigerate overnight.
- In the morning, remove the plastic wrap and bake for 35-40 minutes until the casserole is set and golden brown.
- Garnish with fresh herbs if desired and serve warm.
