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Savory Ham and Cheese Croissant Casserole for Brunch Bliss

Published: Aug 8, 2025 by Emma Saviani · This post may contain affiliate links ·

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The aroma of buttery croissants wafting through the kitchen evokes a sense of comfort that I absolutely adore. This Ham and Cheese Croissant Breakfast Casserole is my favorite way to transform simple ingredients into a crowd-pleasing dish that feels oh-so-special. With just 15 minutes of prep, you can dive into a warm and cheesy morning delight that your friends and family will rave about. Plus, it’s a fantastic make-ahead option, perfect for those busy mornings when you need a hearty meal ready to go. If you’re tired of the same old breakfast routine, you’ll want to keep reading—this casserole might just become your new weekend staple!

Why is this casserole a breakfast game-changer?

Mouthwatering flavors: The combination of ham and Swiss cheese creates an irresistible taste that will have everyone coming back for seconds.
Effortless preparation: With just 15 minutes of prep time, this casserole fits perfectly into any busy morning routine.
Crowd-pleaser: Serve it for brunch, and watch your guests be impressed by this delightful dish!
Versatile base: Feel free to mix and match with different cheeses or add veggies to suit preferences and dietary needs.
Make-ahead magic: Prepare this casserole the night before for an effortless morning. It’s perfect for weekend gatherings or a special family breakfast!
Check out more creative breakfast ideas in our Breakfast Trends section!

Ham and Cheese Croissant Ingredients

• Get ready to whip up a delightful breakfast dish that your taste buds will love!

For the Casserole

  • 6 large buttery croissants – cut into quarters for the perfect pillowy base.
  • 1 cup diced ham – adds hearty protein and a savory depth to the dish.
  • 1 cup shredded Swiss cheese – provides a creamy texture and flavorful richness.
  • ½ cup grated Parmesan cheese – enhances the dish with a nutty, salty kick.
  • 6 large eggs – binds all the ingredients together for a satisfying bite.
  • 2 cups milk – ensures a creamy consistency that keeps the casserole moist.
  • 1 teaspoon dried thyme – delivers an aromatic flavor that complements the ham.
  • 1 teaspoon garlic powder – adds a subtle warmth to elevate the overall taste.
  • Salt and pepper to taste – essential seasonings to balance and enhance flavors.

For Garnish

  • Fresh chives, chopped – a pop of color and flavor that brightens up the dish.

Transforming simple ingredients into a delicious Ham and Cheese Croissant creation has never been easier! Happy cooking!

Step‑by‑Step Instructions for Ham and Cheese Croissant Breakfast Casserole

Step 1: Preheat and Prepare
Begin by preheating your oven to 350°F (175°C). While the oven warms up, grease a 9x13 inch baking dish with butter or cooking spray to ensure a non-stick surface for your savory Ham and Cheese Croissant Breakfast Casserole. A well-prepared dish will help achieve that golden brown finish on top.

Step 2: Layer the Croissants
Evenly spread the quartered buttery croissants across the greased baking dish, creating a cozy base for your casserole. Make sure the croissants are arranged in a single layer to allow the egg mixture to soak in evenly. Their soft texture will serve as the perfect canvas for the delicious flavors to come.

Step 3: Add Ham and Cheese
Next, sprinkle the diced ham generously over the croissant layer, ensuring that each piece gets a taste of the savory goodness. Follow this by adding the shredded Swiss cheese, letting it cascade over the croissants and ham. This melty duo will create a delightfully creamy texture that everyone will love.

Step 4: Mix the Egg Mixture
In a medium bowl, whisk together the 6 large eggs and 2 cups of milk until smooth and well combined. Add in the dried thyme, garlic powder, salt, and pepper, mixing thoroughly. This flavorful egg mixture will bind all the ingredients together in your Ham and Cheese Croissant Breakfast Casserole, ensuring every bite is rich and satisfying.

Step 5: Pour and Soak
Pour the egg mixture evenly over the layered croissants, ham, and cheese, taking care to cover all pieces to ensure they soak up the richness. Use a spatula to gently press down on the croissants, allowing them to absorb the flavorful egg mixture. This step is crucial for a cohesive casserole texture.

Step 6: Sprinkle Parmesan
Now, take the grated Parmesan cheese and sprinkle it generously over the top of the casserole. This adds a delightful nutty flavor and a beautiful golden crust when baked. The contrasting textures of the creamy Swiss and the salty Parmesan will elevate your Ham and Cheese Croissant creation to new heights.

Step 7: Bake Covered
Cover your assembled casserole with aluminum foil to retain moisture while baking. Place it in the preheated oven and let it bake for 30 minutes. This initial covered baking allows the ingredients to meld together wonderfully, creating a perfectly cooked base for your delicious breakfast dish.

Step 8: Bake Uncovered
After 30 minutes, carefully remove the foil and allow the casserole to bake for an additional 15-20 minutes. Watch closely for the top to turn a deep golden brown and the center to set. The aroma wafting through your kitchen will be irresistible, and the casserole will soon be ready for serving.

Step 9: Cool and Garnish
Once baked, let the Ham and Cheese Croissant Breakfast Casserole cool for about 5 minutes before slicing. This brief cooling period allows the layers to settle and makes for cleaner cuts. Finish your masterpiece by garnishing with fresh chopped chives, adding a touch of color and a burst of flavor to each serving.

Make Ahead Options

These Ham and Cheese Croissant Breakfast Casserole are perfect for busy mornings! You can prepare the entire casserole up to 24 hours in advance by assembling it and then covering it tightly with plastic wrap or aluminum foil. Just be sure to refrigerate it to maintain freshness and prevent any sogginess. When you’re ready to enjoy, simply remove the cover and bake it directly from the fridge, adding an extra 5-10 minutes to the baking time to ensure it's heated through. This make-ahead option means you can savor a warm, hearty breakfast without the morning rush, allowing you more time to relax and enjoy your meal together!

How to Store and Freeze Ham and Cheese Croissant

Fridge: Store leftovers in an airtight container in the fridge for up to 3 days. Reheat individual portions in the microwave or oven for a warm breakfast treat.

Freezer: For longer storage, wrap cooled casserole tightly in plastic wrap and foil, then freeze for up to 2 months. Thaw in the fridge overnight before reheating.

Reheating: To reheat from the fridge, bake at 350°F (175°C) for 15-20 minutes or until heated through. If frozen, reheat at 350°F (175°C) for 30-40 minutes, covered with foil to prevent drying out.

Serving suggestion: Garnish with fresh chives after reheating to brighten the flavors of your Ham and Cheese Croissant Breakfast Casserole!

Ham and Cheese Croissant Variations

Feel free to explore these delightful twists to truly make this recipe your own!

  • Veggie-Loaded: Add 1 cup of sautéed spinach or bell peppers for a colorful and nutritious boost.
  • Spicy Kick: Incorporate diced jalapeños or red pepper flakes to increase the heat and excitement in every bite.
  • Herb Infusion: Swap dried thyme for fresh herbs like basil or parsley for a fragrant and vibrant flavor profile.
  • Cheddar Swap: Use sharp cheddar cheese instead of Swiss for a tangy taste that pairs well with the ham.
  • Gluten-Free: Replace croissants with gluten-free bread for an inclusive version without compromising on flavor.
  • Sweet Surprise: Add a layer of thinly sliced tomatoes for a sweet note that beautifully complements the savory elements.
  • Bacon Bliss: Substitute diced bacon for ham, providing a smoky, crispy texture that keeps everyone coming back for more.
  • Creamy Spin: Blend in a cup of cream cheese to the egg mixture for a decadent, rich custard-like casserole.

Feel like having a cozy gathering? Pair your Ham and Cheese Croissant Breakfast Casserole with a refreshing fruit salad or your favorite brunch drinks! For more ideas, check out our satisfying Brunch Recipes that will elevate your hosting game!

Helpful Tricks for Ham and Cheese Croissant Casserole

  • Fresh Croissants: Use day-old or slightly stale croissants for the best texture, as they will absorb the egg mixture without becoming soggy.
  • Cheese Variety: Experiment with different cheeses like cheddar or Gruyère! Just remember to adjust the seasoning to complement the flavors in your Ham and Cheese Croissant.
  • Even Soaking: Ensure every croissant piece is submerged in the egg mixture; unsoaked bits can become dry when baked.
  • Covering While Baking: Cover the casserole with foil for the first half of baking to keep it moist; uncover for the golden top you desire.
  • Customizable Add-Ins: Feel free to add sautéed vegetables or different meats! Just keep the ratios similar to the Ham and Cheese Croissant for the best results.

What to Serve with Ham and Cheese Croissant Breakfast Casserole

Elevate your breakfast experience with delightful pairings that enhance the flavors and create a heartwarming meal.

  • Fresh Fruit Salad: A vibrant medley of seasonal fruits adds a refreshing contrast and lightens the rich casserole.
  • Crispy Bacon Strips: The salty crunch of bacon balances the creamy casserole, making every bite a savory delight.
  • Roasted Asparagus: Tender, slightly charred asparagus introduces a fresh, earthy element that complements the savory layers beautifully.
  • Sage Breakfast Sausages: Flavor-packed sausages bring a hearty protein option that pairs perfectly with the casserole’s richness.
  • Classic Mimosa: This bubbly citrus drink brightens the palate and adds a festive touch, making your brunch extra special.
  • Herbed Yogurt Dip: A cool, tangy yogurt dip sprinkled with fresh herbs offers a refreshing dip for veggies or crusty bread, enhancing your brunch spread with a delightful twist.

Enjoy crafting your splendid breakfast table and creating cherished memories filled with taste and warmth!

Ham and Cheese Croissant Breakfast Casserole Recipe FAQs

What type of croissants should I use for this casserole?
I recommend using large, buttery croissants for the best flavor and texture. Day-old or slightly stale croissants work wonderfully as they soak up the egg mixture without becoming too soggy. Fresh croissants can also be used, but you may want to let them sit out for a bit to harden slightly.

How should I store leftovers of the casserole?
Store any leftovers in an airtight container in the fridge for up to 3 days. This way, you can enjoy a warm slice of this delicious Ham and Cheese Croissant Breakfast Casserole any time without compromising on flavor or freshness.

Can I freeze Ham and Cheese Croissant Breakfast Casserole?
Absolutely! After baking and cooling, wrap the casserole tightly in plastic wrap, then in foil to protect it from freezer burn. You can store it in the freezer for up to 2 months. When you're ready to enjoy it, just thaw it in the fridge overnight before reheating.

What if some parts of the casserole are dry after baking?
If you notice dry bits, don't worry! Ensure that every piece of croissant is fully submerged in the egg mixture before baking. You might also press down gently on the croissants to help with absorption. If dry spots do appear, you can drizzle a little milk over them before reheating to rehydrate.

Are there any dietary considerations I should be aware of?
Yes, if you or your guests have dietary restrictions, you can easily adapt this recipe! For a gluten-free option, use gluten-free croissants and ensure your ham is certified gluten-free. If there are dairy allergies, substitute plant-based cheese and milk. Always double-check the ingredients of your specific products just to be safe!

What’s the best way to reheat leftovers?
For leftovers from the fridge, heat your oven to 350°F (175°C) and bake for 15-20 minutes until warmed through. If you’ve frozen the casserole, reheat it covered with foil at the same temperature for about 30-40 minutes. This will help keep it moist and delicious, allowing you to savor that delightful flavor!

Ham and Cheese Croissant

Savory Ham and Cheese Croissant Casserole for Brunch Bliss

This Ham and Cheese Croissant breakfast casserole transforms simple ingredients into a delightful dish everyone will love.
Print Pin Rate
Course: Breakfast & Brunch
Cuisine: American
Keyword: breakfast, Brunch, Casserole, comfort food, Ham and Cheese Croissant, Make-Ahead
Prep Time: 15 minutes minutes
Cook Time: 50 minutes minutes
Cooling Time: 5 minutes minutes
Total Time: 1 hour hour 10 minutes minutes
Servings: 8 slices
Calories: 350kcal

Equipment

  • 9x13 inch baking dish
  • Mixing bowl
  • Whisk

Ingredients

For the Casserole

  • 6 large buttery croissants cut into quarters for the perfect pillowy base
  • 1 cup diced ham adds hearty protein and a savory depth
  • 1 cup shredded Swiss cheese provides a creamy texture and flavorful richness
  • ½ cup grated Parmesan cheese enhances the dish with a nutty, salty kick
  • 6 large eggs binds all ingredients together
  • 2 cups milk ensures creamy consistency
  • 1 teaspoon dried thyme delivers an aromatic flavor
  • 1 teaspoon garlic powder adds subtle warmth
  • salt and pepper to taste

For Garnish

  • fresh chives chopped

Instructions

Step-by-Step Instructions

  • Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking dish with butter or cooking spray.
  • Evenly spread the quartered buttery croissants across the baking dish.
  • Sprinkle the diced ham over the croissant layer, followed by shredded Swiss cheese.
  • In a bowl, whisk the eggs and milk until smooth, then add thyme, garlic powder, salt, and pepper.
  • Pour the egg mixture evenly over the croissants, ham, and cheese, pressing down gently.
  • Sprinkle Parmesan cheese generously over the top.
  • Cover with aluminum foil and bake for 30 minutes.
  • Remove the foil and bake for an additional 15-20 minutes until golden brown.
  • Let cool for about 5 minutes before slicing and garnishing with fresh chives.

Notes

Use day-old croissants for better texture. Feel free to customize with different vegetables or meats as desired.

Nutrition

Serving: 1slice | Calories: 350kcal | Carbohydrates: 30g | Protein: 20g | Fat: 20g | Saturated Fat: 10g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Cholesterol: 200mg | Sodium: 800mg | Potassium: 400mg | Fiber: 1g | Sugar: 3g | Vitamin A: 500IU | Vitamin C: 1mg | Calcium: 300mg | Iron: 2mg

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Ellie Monroe

I’m Ellie, a 54-year-old home cook who believes the best recipes come from the heart. At Heavenly Recipe, I share comforting classics, sweet treats, and simple meals that anyone can make, just like the ones passed down through my family.

More about me

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