This ham and cheese croissant breakfast casserole is a delicious, easy-to-make dish combining flaky croissants, savory ham, melted cheese, and eggs. Perfect for family breakfasts or brunch gatherings.
Preheat oven to 350°F (175°C). Grease a 9x13-inch baking dish with butter.
Prepare Egg Mixture:
In a large bowl, whisk together eggs, milk, salt, pepper, garlic powder, and Dijon mustard until well combined.
Assemble Casserole:
Layer torn croissant pieces evenly in the baking dish. Sprinkle diced ham and shredded cheese over the croissants.
Pour Egg Mixture:
Pour the egg mixture evenly over the croissants, ham, and cheese. Press down lightly to help the croissants absorb the egg mixture.
Bake:
Bake uncovered for 40–45 minutes or until the casserole is set and the top is golden brown.
Serve:
Let cool for 5 minutes before slicing and serving.
Notes
Make Ahead: Assemble the casserole the night before, cover, and refrigerate. Bake in the morning, adding a few extra minutes to the baking time.Customizing the Flavor: Add sautéed spinach, mushrooms, or bell peppers for extra veggies. Substitute Swiss cheese or Gruyère for a different cheese flavor.Serving Suggestions: Serve with fresh fruit, a green salad, or breakfast potatoes.Allergy-Friendly Options: Use dairy-free cheese and a plant-based milk substitute for dairy-free. Use egg replacer for an egg-free version.Storage Tips: Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or oven.
Keyword croissant breakfast casserole, easy breakfast bake, ham and cheese casserole, ham breakfast recipe