Buttery Croissant Bread Pudding: A Luxurious Comfort Dessert

Name: Buttery Croissant Bread Pudding: A Luxurious Comfort Dessert
Ingredients: 6 large butter croissants, day‑old, cubed; 4 large eggs; 1 cup whole milk; 1 cup heavy cream; 1/2 cup granulated sugar; 2 tablespoons pure vanilla extract; 1/4 teaspoon ground cinnamon; 1/4 teaspoon ground nutmeg; 1/4 teaspoon kosher salt; 1/2 cup raisins or dried cranberries (optional); 1/2 cup dark chocolate chips (optional); 2 tablespoons unsalted butter, melted (for glaze); 1/4 cup brown sugar (for glaze); Powdered sugar, for dusting