Green bean cake in Vietnamese cuisine is a type of pastry made from mung bean paste smothered with sugar and vegetable oil or animal fat, usually lard. The cake in Vietnamese cuisine is cut into small squares, wrapped in foil into small and large boxes or wrapped in greaseproof paper into gold bars. Cake is often used when drinking Chinese tea or green tea in Vietnamese cuisine, then it will create a feeling of relaxation. The local famous green bean cake is Hai Duong.