Che is a traditional Vietnamese dessert that is popular in Halong Bay. It is a sweet soup-like dessert made from a variety of ingredients such as beans, fruits, jellies, and coconut milk. Che can be served hot or cold, depending on the weather and personal preference. Some popular variations of Che include Che Ba Mau (three-color dessert) and Che Dau Xanh (mung bean dessert). The combination of the different textures and flavors in Che creates a delightful and refreshing dessert. It is a popular choice to end a meal in Halong Bay.