Steam the taro till soft, about 15 minutes. Mash with a fork until smooth while hot. Add in potato starch, sugar, salt and oil. Mix well.

• 芋头上笼蒸软，大概15分钟。趁热用勺子将芋头压成泥。加入地瓜粉，砂糖，食盐和色拉油拌匀。