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Croissant French Toast Casserole

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This cozy breakfast casserole combines buttery croissants with a rich vanilla-cinnamon custard—baked until golden and perfect for brunch, holidays, or weekend mornings.

  • Author: Ella
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings
  • Category: Breakfast / Brunch
  • Method: Baking
  • Cuisine: French-inspired
  • Diet: Vegetarian

Ingredients

6 large day-old croissants, torn into pieces

6 large eggs

2 cups heavy cream (or whole milk)

1 cup brown sugar

2 teaspoons vanilla extract

1 teaspoon ground cinnamon

Instructions

Preheat Oven:
Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or non-stick spray.

Layer Croissants:
Tear croissants into bite-sized pieces and evenly distribute them in the prepared dish.

Make Custard:
In a large bowl, whisk together eggs, heavy cream, brown sugar, vanilla extract, and cinnamon until well blended.

Soak & Set:
Pour the custard mixture evenly over the croissants. Press down gently with a spatula to help the bread absorb the liquid.

Bake Covered:
Cover the dish with foil and bake for 30 minutes.

Finish Uncovered:
Remove the foil and bake for an additional 15–20 minutes, until the top is golden brown and the custard is set.

Serve:
Allow to cool slightly before serving. Enjoy warm with maple syrup, powdered sugar, or fresh berries.

Notes

Customize It: Add fresh berries, sliced bananas, or a handful of chopped nuts or chocolate chips before baking.

Make Ahead: Assemble the casserole the night before and refrigerate. Bake in the morning for an easy, make-ahead breakfast.

Serving Tip: Pair with coffee or mimosas for a complete brunch spread.

Storage: Store leftovers in the fridge for up to 3 days. Reheat in the oven or microwave.