Use. Papaya, a perennial herb vine of the genus Papaya in Cucurbitaceae. Papaya needs blanching before it can be wrapped in jiaozi. Before wrapping jiaozi, you need to shred it and blanch it for one minute, because papaya itself is not easy to cook. If there is no blanching, they will be wrapped in jiaozi, and they will not be completely cooked in the process of cooking jiaozi.