Ham and Cheese Croissant Breakfast Casserole

Breakfast is often touted as the most important meal of the day, and the Ham and Cheese Croissant Breakfast Casserole proves why. This dish combines the rich, buttery flavor of croissants with savory ham and gooey cheese, creating a breakfast that’s both indulgent and satisfying. Perfect for busy mornings or special occasions, this casserole can be prepared ahead of time and baked fresh when you’re ready to eat.

The origin of this recipe lies in the classic French croissant, which has been beloved for centuries for its flaky, buttery texture. By incorporating ham and cheese, we add a savory twist that’s sure to please any palate. This casserole is also incredibly versatile, allowing for substitutions and additions to suit your taste and dietary preferences.

Whether you’re hosting a brunch, preparing for a holiday morning, or simply looking to treat yourself, this Ham and Cheese Croissant Breakfast Casserole is a go-to recipe that never disappoints. Its ease of preparation and mouth-watering flavor make it a favorite in any household.

Why You Will Love Making This Recipe 

  1. Easy to Prepare: This casserole can be assembled the night before, saving you time in the morning.
  2. Delicious Flavor: The combination of buttery croissants, savory ham, and melted cheese is irresistible.
  3. Versatile Ingredients: You can customize the recipe with your favorite cheeses, add vegetables, or use different types of ham.
  4. Perfect for Gatherings: This dish is ideal for feeding a crowd, making it perfect for brunches, holidays, and family get-togethers.
  5. Kid-Friendly: The familiar flavors of ham and cheese make this a hit with children and adults alike.
  6. Make-Ahead Convenience: Preparing the casserole in advance means you can enjoy a stress-free morning.
  7. Beautiful Presentation: The golden, bubbly top of the casserole looks as good as it tastes, making it a showstopper on any breakfast table.
  8. Nutritious and Filling: Packed with protein from the ham and cheese, this casserole will keep you full and satisfied until lunchtime.

Ingredients:

  • 6 large croissants, cut into pieces
  • 2 cups diced ham
  • 2 cups shredded cheddar cheese
  • 6 large eggs
  • 2 cups milk
  • 1 teaspoon Dijon mustard
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 cup chopped chives (optional)

Directions & Instructions 

  1. Prepare the Baking Dish: Grease a 9×13-inch baking dish. Arrange the croissant pieces evenly in the dish.
  2. Add Ham and Cheese: Sprinkle the diced ham and shredded cheddar cheese over the croissants, ensuring even distribution.
  3. Make the Custard: In a large bowl, whisk together the eggs, milk, Dijon mustard, salt, and black pepper until well combined.
  4. Assemble the Casserole: Pour the custard mixture over the croissant, ham, and cheese layers, pressing down gently to ensure the croissants absorb the liquid.
  5. Refrigerate: Cover the dish with plastic wrap and refrigerate for at least 2 hours or overnight for best results.
  6. Bake: Preheat the oven to 350°F (175°C). Remove the casserole from the refrigerator and let it sit at room temperature while the oven heats. Bake, uncovered, for 40-45 minutes, or until the top is golden brown and the custard is set.
  7. Serve: Allow the casserole to cool for a few minutes before slicing. Garnish with chopped chives, if desired, and serve warm.

Nutritional Information 

Here is the nutritional breakdown for one serving of Ham and Cheese Croissant Breakfast Casserole (based on 8 servings):

  • Calories: 400 kcal
  • Carbohydrates: 20g
  • Protein: 20g
  • Fat: 25g
  • Saturated Fat: 12g
  • Cholesterol: 200mg
  • Sodium: 800mg
  • Potassium: 300mg
  • Fiber: 1g
  • Sugar: 4g
  • Vitamin A: 15% DV
  • Vitamin C: 2% DV
  • Calcium: 20% DV
  • Iron: 10% DV

This casserole offers a balanced meal with a good amount of protein and fats to keep you energized throughout the morning.

Variations

  • Vegetarian: Substitute the ham with sautéed vegetables like bell peppers, spinach, and mushrooms.
  • Spicy: Add diced jalapeños or a dash of hot sauce to the custard mixture for a kick of heat.
  • Different Cheeses: Try using Swiss, Gruyère, or mozzarella cheese for a different flavor profile.

Frequently Asked Questions 

Can I use store-bought croissants? Yes, store-bought croissants work perfectly for this recipe. Just ensure they are fresh and of good quality.

What can I use instead of ham? You can substitute ham with cooked bacon, sausage, or even turkey for a different taste.

Can I freeze the casserole? Yes, you can freeze the assembled (but unbaked) casserole. Cover tightly with aluminum foil and freeze for up to 2 months. Thaw in the refrigerator overnight before baking.

How do I store leftovers? Store any leftover casserole in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving.

Pro Tips By Elisa

  • Layer Evenly: Ensure the croissant, ham, and cheese layers are evenly distributed for consistent flavor in every bite.
  • Custard Soak: Allowing the croissants to soak in the custard mixture overnight enhances the flavor and texture.
  • Serve Warm: This casserole tastes best when served warm, fresh out of the oven.

Serving Suggestions

Serve this Ham and Cheese Croissant Breakfast Casserole with a side of fresh fruit, a simple green salad, or roasted potatoes for a complete meal. A hot cup of coffee or a glass of orange juice pairs perfectly with this savory dish, making it an ideal choice for a leisurely breakfast or brunch.

Ham and Cheese Croissant Breakfast Casserole

Elisa
Breakfast is often touted as the most important meal of the day, and the Ham and Cheese Croissant Breakfast Casserole proves why. This dish combines the rich, buttery flavor of croissants with savory ham and gooey cheese, creating a breakfast that's both indulgent and satisfying. Perfect for busy mornings or special occasions, this casserole can be prepared ahead of time and baked fresh when you're ready to eat.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Breakfast
Cuisine American
Calories 380 kcal

Ingredients
  

  • 6 large croissants cut into pieces
  • 2 cups diced ham
  • 2 cups shredded cheddar cheese
  • 6 large eggs
  • 2 cups milk
  • 1 teaspoon Dijon mustard
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 cup chopped chives optional

Instructions
 

  • Prepare the Baking Dish: Grease a 9x13-inch baking dish. Arrange the croissant pieces evenly in the dish.
  • Add Ham and Cheese: Sprinkle the diced ham and shredded cheddar cheese over the croissants, ensuring even distribution.
  • Make the Custard: In a large bowl, whisk together the eggs, milk, Dijon mustard, salt, and black pepper until well combined.
  • Assemble the Casserole: Pour the custard mixture over the croissant, ham, and cheese layers, pressing down gently to ensure the croissants absorb the liquid.
  • Refrigerate: Cover the dish with plastic wrap and refrigerate for at least 2 hours or overnight for best results.
  • Bake: Preheat the oven to 350°F (175°C). Remove the casserole from the refrigerator and let it sit at room temperature while the oven heats. Bake, uncovered, for 40-45 minutes, or until the top is golden brown and the custard is set.
  • Serve: Allow the casserole to cool for a few minutes before slicing. Garnish with chopped chives, if desired, and serve warm.

Notes

Serve this Ham and Cheese Croissant Breakfast Casserole with a side of fresh fruit, a simple green salad, or roasted potatoes for a complete meal. A hot cup of coffee or a glass of orange juice pairs perfectly with this savory dish, making it an ideal choice for a leisurely breakfast or brunch.
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