Croissant Breakfast Bake with Ham and Cheese
This Croissant Breakfast Casserole with Ham and Cheese is a savory, cheesy breakfast bake made with buttery croissants, smoky ham, and layers of melty cheese. Topped with honey Dijon butter and mozzarella, it’s the perfect make-ahead breakfast for holidays or brunch!
Servings: 8
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 9x13-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
Calories: 440kcal
