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+ servings
Ham and Cheese Croissant Breakfast Casserole

Ham and Cheese Croissant Breakfast Casserole for Cozy Mornings

This Ham and Cheese Croissant Breakfast Casserole is a delightful make-ahead breakfast that combines flaky croissants, smoky ham, and gooey melted cheese.
Prep Time 30 minutes
Cook Time 35 minutes
Chill Time 30 minutes
Total Time 1 hour 35 minutes
Servings: 6 slices
Course: Breakfast
Cuisine: French
Calories: 420

Ingredients
  

For the Base
  • 6 croissants Croissants Fresh and medium-sized
  • 6 large Eggs
  • 2 cups Half and Half or Whole Milk Half and half is recommended for creaminess
For the Flavor
  • 2 tablespoons Dijon Mustard Adds tanginess
  • 1 teaspoon Salt For flavor enhancement
For the Fillings
  • 6 slices Deli or Leftover Ham Thinly sliced
  • 2 cups Shredded Swiss or Gruyere Cheese Freshly shredded for melting
For the Garnish
  • 1 tablespoon Powdered Sugar For dusting before serving

Equipment

  • Oven
  • Baking dish
  • Mixing Bowl

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 350°F (175°C) and prepare a baking dish with cooking spray.
  2. Tear the croissants in half and layer them in the prepared dish.
  3. Cut the ham into thirds and scatter it over the croissant halves, then sprinkle the cheese on top.
  4. Whisk together the eggs, half and half, mustard, and salt until smooth and pour over the layered ingredients.
  5. Cover tightly and chill in the refrigerator for at least 30 minutes or overnight.
  6. Bake uncovered for 20 minutes; then remove foil and bake for an additional 10-15 minutes until golden.
  7. Let rest for 5 minutes before serving, dust with powdered sugar if desired.

Nutrition

Serving: 1sliceCalories: 420kcalCarbohydrates: 30gProtein: 22gFat: 24gSaturated Fat: 12gCholesterol: 310mgSodium: 800mgPotassium: 250mgFiber: 1gSugar: 2gVitamin A: 600IUCalcium: 300mgIron: 2mg

Notes

Perfect for make-ahead breakfasts or special gatherings, this casserole can be easily customized with different meats or vegetables.

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