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This Croissant Breakfast Casserole with Ham and Cheese is a delicious, cheesy, and savory breakfast bake that’s perfect for holidays, brunch gatherings, or a cozy weekend treat. Buttery croissants are layered with smoky ham, melty Swiss, provolone and mozzarella cheeses, then baked in a flavorful custard and topped with honey-Dijon butter. It’s a showstopper breakfast casserole everyone will love!
Table of Contents
- A Holiday-Ready Breakfast Bake
- Why You’ll Love Ham & Cheese Croissant Casserole
- Ingredients for Ham and Cheese Croissant Breakfast Casserole
- Croissant Breakfast Casserole Variations
- How to Make Croissant Breakfast Casserole with Ham and Cheese
- Make-Ahead Croissant Breakfast Casserole
- FAQs About Ham and Cheese Croissant Breakfast Casserole
- More Easy Breakfast Recipes
- Croissant Breakfast Bake with Ham and Cheese Recipe
A Holiday-Ready Breakfast Bake
If you’ve ever wanted a crowd-pleasing breakfast that looks impressive but is surprisingly easy, this ham and cheese croissant breakfast casserole is it.
Croissant Breakfast Bake with Ham and Cheese is perfect for holidays like Easter, Christmas morning, or Mother’s Day when you want something you can make ahead and bake fresh in the morning.
Why You’ll Love Ham & Cheese Croissant Casserole
- Flaky and buttery – Croissants add richness, and are slightly sweet.
- Cheesy layers – Swiss, provolone, and mozzarella give melty, gooey goodness.
- Sweet + savory topping – The honey-Dijon butter brushed on top adds a lot of flavor.
- Feeds a crowd – A 9×13 dish makes 8 servings.
- Make-ahead friendly – Bake immediately, or assemble the night before for stress-free mornings.
- Customizable – Swap cheeses, use turkey, bacon, or even veggies.
Croissants give this Savory Croissant Brunch Casserole a buttery richness that regular bread can’t match, and the combination of ham, cheese, herbs, and honey-Dijon butter makes it savory and delicious.
Ingredients for Ham and Cheese Croissant Breakfast Casserole
Exact amounts are in the recipe card below.
Croissant Bake:
- Croissants
- Eggs
- Whole Milk
- Salt
- Black Pepper
- Dry Mustard
- Garlic Powder
- Dried Thyme Leaves
- Fresh Rosemary
- Swiss Cheese
- Provolone Cheese
- Mozzarella Cheese
- Deli Ham
Honey-Dijon Butter Topping:
- Honey
- Dijon Mustard
- Unsalted Butter
Croissant Breakfast Casserole Variations
- Vegetarian: Skip the ham and add sautéed mushrooms, spinach, or peppers.
- Meat Lovers: Swap ham for cooked bacon or sausage.
- Cheese Swap: Try cheddar, Gruyère, or pepper jack instead of Swiss and provolone.
- Spicy: Add red pepper flakes, hot sauce, or jalapeños.
How to Make Croissant Breakfast Casserole with Ham and Cheese
Step 1: Prep the Dish
- Preheat oven to 350°F. Grease a 9×13-inch baking dish with butter or cooking spray. Slice croissants in half (or thirds if large).
Step 2: Make the Egg Mixture
- In a large bowl, whisk together eggs, milk, salt, pepper, garlic powder, dry mustard, rosemary, and thyme.
- Dip croissant pieces into the egg mixture.
Step 3: Assemble the Casserole
- Place dipped croissant pieces in the baking dish in a random pattern.
- Pour the leftover egg/milk mixture over the croissants in the dish.
- Fold the ham slices as shown.
- Fold the ham slices in half twice and tuck the folded ham slices in between the croissants.
- Tuck all cheese slices (Swiss, provolone) in there as well.
- Sprinkle the mozzarella over the top.
- Let the assembled casserole stand for about 10 minutes before baking so the croissants can soak up the egg/milk mixture.
Step 4: Bake
- Cover tightly with foil and bake for 30 minutes. Meanwhile, mix honey, Dijon, and melted butter for the topping.
Step 5: Finish with Honey Butter
- Remove foil, brush casserole with honey butter. Bake uncovered for another 20 minutes, or until golden and puffed. Let stand 5 minutes before serving.
Storage and Reheating
- Refrigerate: Store leftover Croissant Breakfast Bake with Ham and Cheese covered in the fridge for up to 3 days.
- Freeze: Wrap tightly in foil or plastic wrap, then place in a freezer bag. Freeze up to 2 months. Thaw overnight in the fridge before reheating.
- Reheat: Warm in a 350°F oven, covered with foil, for 15–20 minutes, or microwave individual servings until hot.
Make-Ahead Croissant Breakfast Casserole
This Ham and Cheese Croissant Bake recipe can also be an overnight croissant breakfast casserole. Prepping the night before makes it so easy for a quick morning bake.
- Assemble the casserole, cover tightly with foil or plastic wrap, and refrigerate overnight.
- In the morning, remove it from the fridge while the oven preheats. Bake as directed, adding 5–10 minutes since it will be cold. Perfect for stress-free holiday mornings!
FAQs About Ham and Cheese Croissant Breakfast Casserole
Yes! Gruyère, cheddar, pepper Jack or extra mozzarella all work well.
Definitely. Try cooked bacon, turkey sausage, or go vegetarian with spinach, mushrooms, or roasted peppers.
Either works, but slightly stale croissants soak up the custard better.
Yes. Bake, cool, and wrap tightly. Freeze up to 2 months. Reheat in the oven until warmed through.
Yes! Assemble the night before, refrigerate, and bake in the morning for an easy overnight breakfast casserole.
More Easy Breakfast Recipes
Spinach Feta Egg Muffins
Sheet Pan Pancakes
Shakshuka – Eggs in Purgatory
Tater Tot Breakfast Casserole
Easy Breakfast Egg Bake
If you make this Ham and Cheese Croissant Breakfast Casserole, please leave a comment with a star rating below. I’d love to hear from you!
Croissant Breakfast Bake with Ham and Cheese
Ingredients
Croissant Bake
- 10-12 medium Croissants
- 5 large Eggs
- ¾ cup Whole Milk
- 1 teaspoon Salt
- ½ teaspoon Black Pepper
- 1 teaspoon Dry Mustard
- 1 teaspoon Garlic Powder
- ½ teaspoon Dried Thyme Leaves (not ground)
- 1 teaspoon Fresh Rosemary, minced (or dried, crushed)
- 8 ounces Swiss Cheese Slices
- 3 ounces Provolone Cheese Slices
- 12 ounces Sliced Deli Ham
Topping
- ¼ cup Honey
- 2 tsp Dijon Mustard
- ¼ cup Unsalted Butter, melted
- ½ cup Mozzarella Cheese
Instructions
Prep
- Preheat oven to 350°F.
- Grease a 9×13-inch baking dish (bottom and sides) with butter or cooking spray. Set aside.
- Cut the croissants in half (or in thirds if they are large).
Mix the Egg Mixture
- In a large bowl, whisk together the eggs, milk, salt, pepper, garlic powder, mustard, rosemary, dried thyme leaves.
Assemble the Casserole
- Dip the croissant halves in the egg mixture and add them to the prepared baking dish in a random pattern. Save the extra egg mixture.
- Pour the remaining egg mixture over the top.
- Fold the ham slices in half, then half again. Tuck the ham slices in between the croissants.
- Tuck the cheese slices in between the croissants and ham and sprinkle the mozzarella cheese over the top.
- Let stand about 10 minutes for the croissants to absorb the egg mixture.
Bake
- Cover tightly with aluminum foil and bake for 30 minutes.
- Meanwhile, mix together the honey, Dijon, and melted butter for the topping.
Add the Topping
- After the 30 minute cook time, remove the foil and brush the top with all of the honey butter topping.
- Return the casserole to the oven and bake uncovered for another 20 minutes, or until the croissants are puffed and light golden brown and the center is set.
Serve
- Let stand 5 minutes before serving.
Notes
Storage and Reheating
- Refrigerate: Store leftovers covered in the fridge for up to 3 days.
- Freeze: Wrap tightly in foil or plastic wrap, then place in a freezer bag. Freeze up to 2 months. Thaw overnight in the fridge before reheating.
- Reheat: Warm in a 350°F oven, covered with foil, for 15–20 minutes, or microwave individual servings until hot.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
