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Overnight Raspberry and Chocolate French Toast Casserole Recipe

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4.1 from 3 reviews

This Overnight Raspberry and Chocolate French Toast Casserole is a delightful make-ahead breakfast that combines rich chocolate chips, fresh raspberries, and a buttery cinnamon crumble topping. Perfect for a cozy morning, the bread soaks up a creamy custard overnight, then bakes to golden perfection with a luscious mix of flavors and textures.

  • Author: Emma
  • Prep Time: 15 minutes
  • Cook Time: 55 minutes
  • Total Time: 9 hours 10 minutes
  • Yield: 1 serving
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Ingredients

Main Casserole

  • Cooking oil spray
  • 1 loaf French bread, torn into 1-inch pieces (about 16 oz or 4 cups)
  • 1/2 cup chocolate chips
  • 6 large eggs
  • 2 cups whole milk
  • 1/4 cup heavy whipping cream
  • 2 tsp vanilla extract
  • 1/2 cup granulated sugar

Crumble Topping

  • 1/2 cup all purpose flour
  • 1/4 cup packed light brown sugar
  • 1 1/4 teaspoons cinnamon
  • 1/4 teaspoon salt
  • 1 stick unsalted butter, cut into 1-inch pieces (1/2 cup)

Additional Toppings

  • 2/3 cup fresh raspberries

Instructions

  1. Prepare the baking pan and bread layer: Spray a 9-by-13-inch baking pan with cooking oil spray. Add the torn French bread pieces to the pan in an even layer. Sprinkle the chocolate chips evenly over the bread.
  2. Mix and pour custard: In a medium-sized bowl, whisk together the eggs, whole milk, heavy whipping cream, vanilla extract, and granulated sugar until smooth and combined. Pour this custard evenly over the bread and chocolate chips. Press the bread gently to ensure it soaks up all the custard, eliminating any dry spots on top. Cover the pan tightly with plastic wrap.
  3. Make the crumble topping and refrigerate: In another medium-sized bowl, combine the flour, brown sugar, cinnamon, and salt. Add the butter pieces and use two knives or a pastry blender to cut the butter into the dry mixture until the pieces are pea-sized or smaller, creating a crumbly topping. Cover with plastic wrap.
  4. Chill overnight: Place the covered baking pan with the bread custard and the bowl of crumble topping in the refrigerator overnight (about 8-9 hours) to let the bread absorb the custard fully and for the flavors to meld.
  5. Preheat oven: The next morning, preheat your oven to 350°F (175°C).
  6. Add raspberries and crumble topping: Remove the casserole from the fridge. Sprinkle fresh raspberries evenly over the top. Then, sprinkle the prepared crumble topping evenly over the raspberries and bread mixture.
  7. Bake the casserole: Bake in the preheated oven for 50 to 60 minutes, or until the topping is golden brown and the custard mixture is fully set. The casserole should be bubbling around the edges and firm to the touch in the center.
  8. Serve: Remove from oven and let cool slightly. Serve warm with additional butter and raspberry or maple syrup if desired.

Notes

  • Use day-old French bread for best texture; fresh bread may become too soggy.
  • Make sure to press the bread well into the custard to avoid any dry bread pockets.
  • The crumble topping can be prepared earlier and stored in the fridge for convenience.
  • For a dairy-free version, substitute milk and cream with almond or oat milk and use vegan butter.
  • Leftovers can be refrigerated and reheated in the oven or microwave.