You can dry it first, then put it in the refrigerator, so it won't stick together.

If it is a little cold in jiaozi for a long time, you can fry it: put the oil in a pan, put the oil in jiaozi, and fry it on medium heat until the bottom of jiaozi is slightly yellow. Add water, and when it is urgent, you can heat the water, which is less than one centimeter high. You can cover the fresh jiaozi water with medium heat until the water evaporates. Open the lid and fry it for one to two minutes, and fry it until the bottom of jiaozi is golden. Take a flat chassis, buckle it on the frying pan and press it with your hands.

Extended information:

jiaozi is a folk food with a long history, and eating jiaozi is also a unique folk tradition of China people during the Spring Festival. Because it means "making friends at a younger age", it is very popular among the people. There is a folk saying that "it's delicious but not as good as jiaozi". During the Spring Festival, jiaozi has become an indispensable delicacy. Among the folk customs in many parts of China, eating "jiaozi" on New Year's Eve is an important feast that can't be replaced by any delicacies. In addition to jiaozi as a holiday food in the north, South Renye Fang eats jiaozi on certain occasions.

jiaozi originated in the era of Zhang Zhongjing, and "jiaozi", also known as "Jiao Zi" or "Jiao Er", means the alternation of the old and the new, and it is also a feast that must be eaten according to God's meaning. Otherwise, God will remove your name from the world of Yin and Yang, and after death, you will become an unrecorded ghost. Think about it, how much our ancestors paid attention to this! Anyway, in order to get rid of the bad luck for a year, you should have a "jiaozi" on New Year's Eve. People from afar will travel across mountains and rivers to their hometowns to eat jiaozi with their families for the winter festival, to show that they have a happy home.

Baidu encyclopedia-jiaozi