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–+ servings
Croissant Breakfast Casserole

Irresistible Croissant Breakfast Casserole for Cozy Mornings

A comforting and indulgent Croissant Breakfast Casserole combining buttery croissants, smoky ham, and gooey cheese, perfect for breakfast gatherings.
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Prep Time 30 minutes
Cook Time 30 minutes
Chilling Time 30 minutes
Total Time 1 hour 30 minutes
Servings: 8 slices
Course: Breakfast
Cuisine: French
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Casserole
  • 4 croissants Buttery Croissants Choose freshly baked for the best flavor and texture.
  • 6 large Eggs Large eggs create a rich and fluffy filling.
  • 1 cup Half and Half or Whole Milk Adds creaminess; whole milk can be used as a substitute.
  • 2 tablespoons Dijon Mustard Adds a nice tang; yellow mustard can be used if preferred.
  • 1 teaspoon Salt Adjust to taste.
For the Filling
  • 8 ounces Deli or Leftover Ham Use smoky ham for maximum flavor; can replace with turkey or bacon.
  • 6 ounces Shredded Swiss or Gruyere Cheese Provides rich flavor; cheddar can be substituted for a sharper taste.
For the Topping
  • 1 tablespoon Powdered Sugar For sweetness and elegant presentation.

Equipment

  • Baking dish
  • mixing bowl
  • Whisk

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 350°F (175°C) to ensure even baking.
  2. Lightly coat a baking dish with cooking spray.
  3. Tear croissants in half and arrange them cut side up in the baking dish.
  4. Cut the ham into thirds and distribute it evenly among the croissant halves.
  5. Sprinkle the shredded cheese on top of the ham-covered croissants.
  6. Whisk together eggs, half and half (or whole milk), Dijon mustard, and salt in a medium bowl.
  7. Cover the dish with foil and chill in the refrigerator for at least 30 minutes.
  8. Bake the casserole for 20 minutes, then uncover and bake for an additional 10-15 minutes until bubbly and golden brown.
  9. Allow the casserole to rest for about 5 minutes before serving. Sprinkle with powdered sugar.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 30gProtein: 18gFat: 20gSaturated Fat: 10gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gCholesterol: 230mgSodium: 600mgPotassium: 250mgFiber: 2gSugar: 4gVitamin A: 500IUCalcium: 200mgIron: 1mg

Notes

Allow casserole to rest for 5 minutes after baking to set; store leftovers in an airtight container for up to 1 week.

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