1. Preheat your oven to 350°F (175°C) and grease a baking dish.
2. In a large bowl, whisk together eggs, milk, heavy cream, granulated sugar, vanilla extract, cinnamon, and nutmeg.
3. Add the French bread cubes to the egg mixture, ensuring they are well-coated.
4. Transfer the coated bread cubes to the prepared baking dish.
5. Drizzle melted butter over the top, then sprinkle brown sugar evenly.
6. Bake for 25-30 minutes or until the top is golden and the center is set.
7. Remove from the oven and let it cool for a few minutes.
8. Serve warm, drizzled with maple syrup.

Get ready to savor the perfect blend of cinnamon, sweetness, and fluffy goodness with every delightful bite of this Cinnamon French Toast Bubble Up!