2. Method of cooking jiaozi: Boil: jiaozi must be boiled in water, and the water should be soaked in noodles, and then boiled for about 3 hours. Do not add raw water in the middle. Dumplings should not be cooked with other jiaozi. Take it out while it is hot. Boil the water first; Immerse zongzi in boiling water; After heating to boiling, keep it for 10 minute (it takes 15 minute for quick-frozen dumplings). Important: Zongzi can't be cooked in cold water. Zongzi must be soaked in boiling water and heated evenly. The heating time should not be too long, so as not to be too rotten and lose its original flavor. The outer packaging bag of zongzi should be removed and cooked with leaves.