As a substitute for azuki-an, other 'an' such as kinako (sweet soybean flour), ao-nori (laver), goma (ground sesame), zunda (sweet green paste made from young soybeans in the pod) are used.
小豆餡のほか、黄粉（きなこ）、青海苔、ゴマ、ずんだ等も使われる。