The azuki bean is usually sweetened to be used in Asian desserts such as taiyaki or mooncakes
These small, deep red colored beans have a distinctive boxy shape and white ridge along one side. Azuki beans are common to China, Japan and Korea. Boiled azuki beans are mixed with sugar to make a sweet bean paste that is used in desserts and the sweet soup shiruko. Azuki beans are also boiled with rice to make the Japanese dish sekihan.