Need. According to the query of Leha Health Network, when the zongzi was taken out of the refrigerator, the water inside had turned into ice and the surface was covered with frost. If you cook it directly, it is ok, but the taste is reduced and the cooking time is long. In the process of thawing, the cold air inside can be emitted. If it is cooked again, the rice dumplings will be heated evenly and slowly, and the cooked rice dumplings will taste soft and waxy.