An upper part of citron fruit is cut away and the fruit is hollowed to create a yuzu (citron) cup, into which a mixture of citron flesh, glutinous rice flour, rice powder, white bean paste, and sugar, etc. are stuffed, and then the yuzu cup is steamed.
ユズの実の上部を切り取り、そこから中身をくり抜いて柚釜を作り、そこにユズの果肉、もち米粉、上新粉、白味噌、砂糖などを混ぜたものを入れて蒸したもの。