Ham & Cheese Croissant Casserole is a delicious and hearty dish that combines flaky croissants, savory ham, and gooey cheese in a creamy custard. This comforting casserole is perfect for brunch, holiday gatherings, or as a satisfying dinner option. It’s easy to prepare and can be made ahead of time, making it a great choice for entertaining!
Ingredients List
For the Casserole:
- 6 large croissants, cut into bite-sized pieces
- 2 cups diced cooked ham
- 1 cup shredded cheese (such as Swiss, cheddar, or a blend)
- 6 large eggs
- 2 cups milk
- 1 teaspoon Dijon mustard
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- Fresh parsley or chives for garnish (optional)
Timing
Preparing Ham & Cheese Croissant Casserole takes about 20 minutes for prep and 45 minutes for baking, totaling approximately 1 hour and 5 minutes.
Step-by-Step Instructions
Step 1: Preheat the Oven
- Preheat Oven: Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish.
Step 2: Assemble the Casserole
- Layer Ingredients: In the prepared baking dish, layer half of the croissant pieces on the bottom. Top with half of the diced ham and half of the shredded cheese. Repeat the layers with the remaining croissants, ham, and cheese.
Step 3: Prepare the Egg Mixture
- Whisk Ingredients: In a large mixing bowl, whisk together the eggs, milk, Dijon mustard, garlic powder, onion powder, salt, and black pepper until well combined.
- Pour Over Layers: Pour the egg mixture evenly over the layered croissants, ham, and cheese. Press down gently to ensure the croissants absorb the egg mixture.
Step 4: Bake the Casserole
- Bake: Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes. Remove the foil and bake for an additional 15 minutes, or until the casserole is set and golden on top.
Step 5: Serve
- Garnish: Remove from the oven and let cool for a few minutes. Garnish with fresh parsley or chives if desired.
- Slice and Serve: Cut into squares and serve warm.

Nutritional Information
Here’s a quick glance at the nutritional profile of Ham & Cheese Croissant Casserole (per serving, assuming 8 servings):
| Nutrient | Amount per Serving |
|---|---|
| Calories | 320 |
| Protein | 18g |
| Fat | 20g |
| Carbohydrates | 22g |
| Fiber | 1g |
Tips for Customization
- Add Vegetables: Incorporate sautéed spinach, bell peppers, or mushrooms for added nutrition and flavor.
- Use Different Meats: Substitute ham with cooked bacon, sausage, or turkey for a different twist.
- Cheese Variations: Experiment with different cheeses like feta, mozzarella, or pepper jack for unique flavors.
Serving Suggestions
Ham & Cheese Croissant Casserole pairs well with:
- A fresh green salad for a light side.
- Fresh fruit or a fruit salad.
- A hot cup of coffee or tea for brunch.
Common Mistakes to Avoid
- Not Allowing to Soak: Ensure the croissants soak in the egg mixture for at least 10-15 minutes before baking for the best texture.
- Overbaking: Keep an eye on the casserole to avoid overbaking, which can make it dry.
- Using Stale Croissants: Fresh croissants work best, but if using stale ones, let them sit out for a few hours to soften slightly.
Storing Tips for the Recipe
Ham & Cheese Croissant Casserole can be stored in an airtight container in the refrigerator for up to 3 days. Reheat individual portions in the microwave or oven before serving.
Conclusion
In just over an hour, you can create Ham & Cheese Croissant Casserole, a delightful and filling dish that’s perfect for any occasion. This casserole is sure to please a crowd and can easily be customized to suit your tastes!
FAQs
Can I make this casserole ahead of time?
Yes! You can assemble the casserole the night before, cover it, and refrigerate it. Just add an extra 10-15 minutes to the baking time if baking straight from the fridge.
Can I freeze the casserole?
Yes! You can freeze the assembled casserole before baking. Just thaw in the refrigerator overnight and bake as directed.
What if I don’t have croissants?
You can substitute with any type of bread, such as brioche, challah, or even regular sandwich bread.
Can I add more cheese?
Absolutely! Feel free to add more cheese to taste, or use a blend of your favorites.
Ham & Cheese Croissant Casserole Recipe
Ingredients
- For the Casserole:
- • 6 large croissants, cut into bite-sized pieces
- • 2 cups diced cooked ham
- • 1 cup shredded cheese (such as Swiss, cheddar, or a blend)
- • 6 large eggs
- • 2 cups milk
- • 1 teaspoon Dijon mustard
- • 1 teaspoon garlic powder
- • 1 teaspoon onion powder
- • 1/2 teaspoon salt
- • 1/2 teaspoon black pepper
- • Fresh parsley or chives for garnish (optional)
Instructions
- Preheat Oven: Preheat your oven to 350°F (175°C). Grease a 9x13-inch baking dish.
- Assemble the Casserole: In the prepared baking dish, layer half of the croissant pieces on the bottom. Top with half of the diced ham and half of the shredded cheese. Repeat the layers with the remaining croissants, ham, and cheese.
- Prepare the Egg Mixture: In a large mixing bowl, whisk together the eggs, milk, Dijon mustard, garlic powder, onion powder, salt, and black pepper until well combined. Pour the egg mixture evenly over the layered croissants, ham, and cheese. Press down gently to ensure the croissants absorb the egg mixture.
- Bake the Casserole: Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes. Remove the foil and bake for an additional 15 minutes, or until the casserole is set and golden on top.
- Serve: Remove from the oven and let cool for a few minutes. Garnish with fresh parsley or chives if desired. Cut into squares and serve warm.
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