This Baked Ham and Cheese Croissant Bake is an easy breakfast casserole loaded with buttery croissants, savory ham, melted cheese, and a rich egg custard. It’s perfect for brunch, holidays, meal prep, or feeding a crowd.

Baked Ham and Cheese Croissant Bake
This Baked Ham and Cheese Croissant Bake is an easy make-ahead breakfast casserole with buttery croissants, ham, cheese, and creamy egg custard.
Ingredients
Method
- Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish.
- Arrange the torn croissant pieces evenly in the prepared baking dish.
- Scatter the diced ham over the croissants.
- Sprinkle the Swiss and cheddar cheese evenly over the top.
- In a large bowl, whisk together the eggs, milk, heavy cream, Dijon mustard, garlic powder, onion powder, salt, pepper, and parsley until smooth.
- Pour the egg mixture evenly over the croissants, gently pressing the bread down so it absorbs the custard.
- Let the casserole rest for 15 minutes before baking.
- Bake for 40 to 45 minutes, or until the center is set and the top is golden brown.
- Allow the casserole to cool for 10 minutes before serving.
- Garnish with additional chopped parsley if desired.
Notes
- Day-old croissants absorb the custard even better.
- Cover loosely with foil if the top browns too quickly.
- Let the casserole rest before slicing for cleaner servings.
- Use good-quality deli ham for the best flavor.
- Check that the center reaches 160°F before serving.
Variations
- Add sautéed spinach or mushrooms.
- Use Gruyère instead of Swiss cheese.
- Swap ham for cooked bacon or turkey.
- Add sliced green onions for extra flavor.
- Sprinkle Parmesan over the top before baking.
Serving Suggestions
- Fresh fruit salad
- Roasted breakfast potatoes
- Mixed green salad
- Orange juice or coffee
- Fresh berries
Tips
- Assemble the casserole the night before and refrigerate overnight.
- Bring the dish to room temperature for 20 minutes before baking if refrigerated.
- Don’t overbake or the custard may become dry.
- Leftovers reheat well in the oven or microwave.
- Store refrigerated for up to 4 days.
Prep Time, Bake Time, and Total Time
Prep Time: 20 minutes
Bake Time: 45 minutes
Total Time: 1 hour 5 minutes
Servings
Serves: 8
Nutrition Information (Approximate Per Serving)
- Calories: 520
- Protein: 28g
- Carbohydrates: 24g
- Fat: 34g
- Sodium: 980mg
FAQs
Can I make this casserole ahead of time?
- Yes. Assemble everything the night before, cover, refrigerate, and bake the next morning.
Can I freeze Baked Ham and Cheese Croissant Bake?
- Yes. Bake completely, cool, wrap tightly, and freeze for up to 2 months. Thaw overnight before reheating.
What cheese works best?
- Swiss, Gruyère, cheddar, mozzarella, provolone, or a combination all work well.
Can I use leftover holiday ham?
- Absolutely. This recipe is a great way to use leftover Easter or Christmas ham.
Why should the casserole rest before baking?
- Resting allows the croissants to soak up the custard, creating a creamy texture throughout the casserole.
How do I know when it’s done?
- The center should be fully set, lightly puffed, and a knife inserted into the middle should come out clean.
Conclusion
This Baked Ham and Cheese Croissant Bake is rich, cheesy, and incredibly easy to prepare. With flaky croissants, savory ham, and a creamy egg custard, it’s an ideal make-ahead breakfast or brunch recipe that everyone will love.