1, quick-frozen dumplings should be cooked 15 minutes or so. Frozen jiaozi needs to be frozen for a long time to ensure that the ingredients will not go bad. Therefore, the dumpling wrappers and fillings inside become very hard, which is more difficult to cook than the existing jiaozi. Generally, quick-frozen jiaozi needs to be boiled for at least 15 minutes, which can be judged by the state of jiaozi. After jiaozi floats, turn to low heat and cook for about 5-8 minutes.

2. Frozen jiaozi does not need to be thawed before cooking. During the freezing process of frozen jiaozi, a large amount of water will gather on the epidermis to form ice crystals. If it absorbs water and softens after thawing, jiaozi and jiaozi are likely to stick together, and it is easy to boil the skin when cooking in a pot, and even a sticky pot of jiaozi soup may be obtained.

3. When cooking frozen jiaozi, the water temperature should not be too low or too high. Frozen jiaozi is hard and hard to cook. If boiled directly in cold water, it will take a long time to cook jiaozi. In the process of quick freezing, a large amount of water in dumpling skin is lost. If jiaozi is directly frozen with hot water, and the dumpling skin directly contacts with boiled water, the hot and cold collision will easily lead to the unfamiliar kneading place, and jiaozi's belly has broken. Therefore, it is not recommended to freeze jiaozi with cold water or hot water, and the water temperature should be about 40 degrees (when the boiling pot is bubbling).