Creating French Toast Bread Pudding is simple and rewarding. Follow these step-by-step instructions to achieve the perfect dessert:

1. Preheat the Oven: Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.

2. Prepare the Bread: Cube the brioche or challah bread into bite-sized pieces and place them in a large mixing bowl. Allow them to sit for a few minutes to dry out slightly.

3. Mix Wet Ingredients: In a separate bowl, whisk together the eggs, whole milk, heavy cream, granulated sugar, vanilla extract, ground cinnamon, salt, and nutmeg (if using) until well combined.

4. Combine Mixtures: Pour the egg mixture over the bread cubes and gently fold until all the bread is coated. Make sure to ensure that all pieces are soaked in the mixture.

5. Let It Rest: Allow the mixture to rest for about 30 minutes. This gives the bread time to absorb the custard.

6. Transfer to Baking Dish: Pour the soaked bread mixture into the prepared baking dish, spreading it evenly.

7. Bake: Place the dish in the preheated oven and bake for 40-45 minutes, or until the top is golden brown and a toothpick inserted in the center comes out clean.

8. Cool: Once baked, remove from the oven and let it cool for about 10 minutes before serving.

9. Drizzle with Maple Syrup: Before serving, drizzle with maple syrup and dust with powdered sugar if desired.

10. Serve Warm: Cut into squares and serve warm, allowing everyone to savor the delightful flavors.