Overnight Cinnamon Roll Casserole is the ultimate breakfast indulgence that combines the warm, gooey goodness of cinnamon rolls with a rich custard base. Perfect for special occasions or lazy weekends, this easy-to-make casserole can be prepared the night before, allowing you to wake up to the delightful aroma of freshly baked goodness. Simply drizzle with maple syrup for an unforgettable start to your day!