2. Quick-frozen jiaozi is a kind of convenient pasta, which can keep jiaozi fresh through quick freezing. Usually when steaming, you need to boil the water first, and then put the jiaozi into the steamer. Generally, plain stuffing of ordinary size can be quickly frozen in jiaozi and steamed in a steamer for about 10 minute, while the quick-frozen meat stuffing in jiaozi is difficult to cook and needs to be steamed in SAIC for 15 minute.

3. jiaozi originated from the ancient corner of China, and was originally named Joule, a traditional noodle of Han nationality, with a history of 1800 years. It was invented by Zhang Zhongjing, a native of Nieyang (now Dengzhou, Nanyang, Henan) in the Eastern Han Dynasty, and was originally used as medicine. Jiaozi, also known as jiaozi, is deeply loved by the people of China. It is a staple food for people in northern China, a local snack, and also a Chinese New Year food. There is a folk proverb called "freezing in the cold, eating jiaozi in the New Year." Jiaozi often cooks with flour and leather bag stuffing.