If you're looking for decadence, you're in the right place. Though the dough requires multiple steps, the result is a bun that is sweeter, stickier, and more gooey than any bun you've had before. Our chefs joke about wanting to take a nap after experiencing the richness of this dessert. Saigon cinnamon is recommended for a stronger spicy-sweet flavor, but regular cinnamon can be easily substituted. Serve with coffee at brunch or as an afternoon treat.