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If you are searching for a comforting, crowd-pleasing breakfast that combines flaky pastry with savory flavors, this Ham & Cheese Croissant Breakfast Casserole Recipe is a total winner. Imagine golden, buttery croissants soaked in a rich custard, studded with tender ham and melting pockets of sharp cheddar cheese. It’s like your favorite breakfast sandwich transformed into an easy-to-make casserole that’s perfect for mornings when you want to impress without stress. Whether it’s a weekend brunch or a holiday gathering, this casserole delivers warm, cheesy goodness that everyone will rave about.
Ingredients You’ll Need
Gathering the right ingredients is half the fun, and for this Ham & Cheese Croissant Breakfast Casserole Recipe, simplicity works wonderfully. Each ingredient plays its part, from the flaky croissants that provide a beautiful texture to the creamy custard that brings it all together in perfect harmony.
- 4 large croissants: Using day-old croissants helps them soak up the egg mixture better for a custardy center.
- 1 ½ cups diced ham: Leftover ham or store-bought works great and adds savory richness.
- 1 ½ cups shredded cheddar cheese: Sharp cheddar melts beautifully and adds a tangy kick; mix with Swiss if you like a milder flavor.
- 6 large eggs: The protein base that binds the casserole into a luscious, sliceable dish.
- 1 ½ cups milk: Whole milk gives a creamy texture without weighing it down.
- ½ cup heavy cream: For that extra luscious, velvety custard that keeps the casserole moist.
- 1 teaspoon Dijon mustard: Adds subtle depth and a hint of tang that elevates the entire dish.
- ½ teaspoon garlic powder: Infuses a mellow savory note without overpowering.
- ½ teaspoon onion powder: Enhances the flavor complexity with a gentle sweetness.
- ½ teaspoon salt: Balances out all the ingredients perfectly.
- ¼ teaspoon black pepper: Adds just a touch of warmth and spice.
- Optional add-ins: ½ cup diced bell peppers for color and sweetness, ¼ cup chopped green onions for freshness, and ½ teaspoon red pepper flakes if you want a subtle kick.
How to Make Ham & Cheese Croissant Breakfast Casserole Recipe
Step 1: Prepare the Croissants
Start by tearing the croissants into bite-sized pieces—this ensures each bite will have the perfect balance of buttery layers. Spread them evenly in a greased 9×13-inch baking dish to create the fluffy base for the casserole.
Step 2: Let the Croissants Dry if Fresh
If your croissants are fresh out of the bakery, give them a little time to sit on the counter for a few hours. This drying step helps prevent the custard from making the bread soggy and allows it to absorb the egg mixture better.
Step 3: Add the Ham
Sprinkle the diced ham evenly over the croissant pieces. The ham adds a wonderful savory punch, creating delicious bites that contrast with the creamy custard and melted cheese.
Step 4: Layer on the Cheese
Next, sprinkle shredded cheddar cheese—or your cheese blend—over the ham. The cheese melts into gooey pockets throughout the casserole, making each slice irresistibly rich.
Step 5: Whisk the Custard
In a large bowl, whisk together the eggs, milk, heavy cream, Dijon mustard, garlic powder, onion powder, salt, and black pepper until the mixture is smooth and uniform. This custard is the magic that brings the whole dish together with creamy texture and flavorful notes.
Step 6: Combine Custard and Croissants
Pour the egg mixture slowly and evenly over the croissants, ham, and cheese, making sure every piece is soaked. Use your hands or a spatula to gently press the croissant pieces down so they absorb all that delicious custard.
Step 7: Chill Before Baking
Cover the dish tightly with plastic wrap and refrigerate for at least 30 minutes. If you want to make this ahead, chilling overnight will allow the flavors to meld beautifully and make your morning even easier.
Step 8: Bake to Golden Perfection
When ready to bake, preheat your oven to 375°F (190°C). Let the casserole come to room temperature for 10 minutes before covering it with foil. Bake covered for 30 minutes, then remove the foil and bake for another 10 to 15 minutes until the top is golden brown and the center is set.
Step 9: Let It Rest
Allow the casserole to cool for a few minutes before slicing. This resting time helps it firm up and makes serving easier. Garnish with fresh parsley or green onions if you like.
How to Serve Ham & Cheese Croissant Breakfast Casserole Recipe
Garnishes
Fresh garnishes like chopped parsley or sliced green onions add a bright note and a pop of color to the casserole’s golden top. These simple additions make the dish feel even more inviting and polished.
Side Dishes
Pair this casserole with a light fruit salad or a crisp green salad to provide sweet and fresh contrasts. Roasted tomatoes or sautéed mushrooms also complement the savory richness beautifully on the side.
Creative Ways to Present
For a festive brunch, serve the casserole in individual ramekins or mini casserole dishes. You can also layer in your favorite veggies or swap the ham for smoked sausage to keep things interesting while staying true to the classic flavors of the Ham & Cheese Croissant Breakfast Casserole Recipe.
Make Ahead and Storage
Storing Leftovers
Leftovers should be covered tightly and stored in the refrigerator where they will keep well for up to 3 days. The casserole tastes great reheated, maintaining its creamy texture even after chilling.
Freezing
This casserole freezes beautifully. Assemble the dish, but don’t bake it; cover it tightly with foil and freeze for up to 2 months. When you’re ready to enjoy, thaw overnight in the fridge before baking as directed.
Reheating
Reheat individual slices in the microwave for about 1 to 2 minutes or warm the whole casserole in a 350°F oven until heated through. This brings back that fresh-baked appeal and melty cheese goodness you crave.
FAQs
Can I use fresh croissants for this casserole?
Yes, you can, but it’s best to let them dry out on the counter for a few hours to absorb the egg mixture without becoming soggy. Day-old croissants work best if you have them.
Can I substitute the ham for another meat?
Absolutely. Smoked sausage, cooked bacon, or even turkey work wonderfully if you want a twist on the classic ham flavor.
Is it possible to make this recipe dairy-free?
While this dish relies on dairy for its creamy custard and melty cheese, you can try using dairy-free milk and cheese alternatives to suit your needs, though the texture and flavor will differ slightly.
Can I prepare the casserole entirely the night before?
Yes, you can assemble the casserole, cover it tightly, and refrigerate overnight. Then, bake it in the morning following the instructions. This makes for a perfect make-ahead breakfast.
How can I make this casserole spicier?
Add red pepper flakes into the egg mixture or sprinkle cayenne pepper over the top before baking for a subtle heat that complements the savory flavors.
Final Thoughts
I truly hope you give this Ham & Cheese Croissant Breakfast Casserole Recipe a try because it has become one of those heartwarming dishes that feels like a hug on a plate. Perfect for sharing with family or friends, it’s easy to prepare yet feels so special. Once you experience the buttery croissants soaked in savory custard with oozing melted cheese and tender ham, it’s hard to go back to ordinary breakfasts.
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