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berry croissant breakfast casserole with fresh berries and golden croissant pieces baked in a creamy custard

Berry Croissant Breakfast Casserole

A decadent breakfast casserole made with buttery croissants, fresh berries, and a rich custard base. Perfect for weekend brunch or holiday mornings.
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Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Servings: 8 servings
Calories: 385
Ingredients Method Notes

Ingredients
  

  • 6 large croissants day-old preferred, cut into 2-inch pieces
  • 2 cups mixed fresh berries blueberries, raspberries, blackberries
  • 8 large eggs
  • 2 cups whole milk
  • 1/2 cup heavy cream
  • 1/3 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 4 tablespoons butter melted
  • 3 tablespoons powdered sugar for dusting
  • 2 tablespoons maple syrup optional

Method
 

  1. Step 1: Preheat oven to 350°F and generously butter a 9x13-inch baking dish.
  2. Step 2: Cut croissants into bite-sized pieces and arrange half in the prepared baking dish.
  3. Step 3: Scatter 1 1/2 cups of mixed berries over the croissant pieces, then top with remaining croissant pieces.
  4. Step 4: In a large bowl, whisk together eggs, milk, heavy cream, granulated sugar, vanilla, cinnamon, and salt until smooth.
  5. Step 5: Pour the custard mixture evenly over the croissants, pressing down gently to help absorption.
  6. Step 6: Drizzle melted butter over the top and let stand for 15 minutes to allow croissants to soak up custard.
  7. Step 7: Top with remaining 1/2 cup berries and bake for 40-45 minutes until golden brown and center is set.
  8. Step 8: Cool for 10 minutes, dust with powdered sugar, and drizzle with maple syrup before serving.

Notes

Day-old croissants work best as they absorb the custard better. Can be assembled the night before and refrigerated - just add 10 extra minutes to baking time.