Go Back Email Link
+ servings
ham and cheese casserole with gold spoon and thyme sprigs

Ham and Cheese Croissant Casserole

Buttery, cheesy, and oh so delicious! This Ham and Cheese Croissant Casserole is the ultimate breakfast bake.
Course: Breakfast
Cuisine: American
Prep Time: 25 minutes
Cook Time: 35 minutes
Total Time: 1 hour
Servings: 8 servings
Calories: 370kcal

Ingredients

  • 1-2 Tablespoons olive oil
  • ½ cup chopped onion
  • ½ cup sliced mushrooms
  • ½ teaspoon chopped garlic
  • 4 large eggs beaten
  • cup heavy cream
  • ¾ cup whole milk
  • 6 ounces ham chopped
  • ½ cup shredded cheddar cheese
  • 1 cup shredded fontina cheese
  • 4-5 sprigs fresh thyme stripped
  • 3 large croissants cut into 2-inch cubes
  • Salt and pepper to taste

Instructions

  • Heat oven to 350℉/177℃.
  • Spray a 7-inch x 10-inch casserole with cooking spray. Set aside.
  • Sauté onions and mushrooms in olive oil until onions are nearly translucent, 2-3 minutes.
  • Add garlic, and continue to cook for another 1-2 minutes. Set aside.
  • In a large bowl, whisk together eggs, cream, and milk.
  • Stir in ham, cheddar, fontina, thyme, and onion mixture.
  • Add bread cubes.
  • Season with salt and pepper.
  • Pour into prepared casserole and let stand for 15-20 minutes, until liquid is absorbed.
  • Bake for 35 minutes, or until set.

Notes

How To Store: If you have any leftovers, you can cover the casserole with foil and keep in the fridge for 2-3 days. To reheat, place back in a 350℉/177℃ oven!
You can also prep everything a day ahead and mix together when you're ready to bake.

Nutrition

Serving: 1slice | Calories: 370kcal | Carbohydrates: 14g | Protein: 17g | Fat: 28g | Saturated Fat: 14g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 9g | Trans Fat: 1g | Cholesterol: 165mg | Sodium: 578mg | Potassium: 240mg | Fiber: 1g | Sugar: 5g | Vitamin A: 852IU | Vitamin C: 2mg | Calcium: 207mg | Iron: 1mg