The skin has a unique flavor, and when boiled thoroughly to make crushed beans, the soft texture of the skin balances well with the bean paste, thus it is often used in upscale Japanese confectionery.
皮に独特の風味があり、煮込んで粒あんにすると柔らかな皮の食感が餡と調和するため高級和菓子で良く使われている。