Seal the cooked chestnuts with fresh-keeping bags, or wrap them in newspapers directly, and then put them in the refrigerator for freezing, but don't rinse them with clear water before freezing, so as not to aggravate the humidity of chestnuts and lead them to mildew and deterioration. You can also dry the cooked chestnuts for a day or two, then spread them on a plate and put them in the refrigerator; It is suggested that chestnuts should be taken out and dried every 2-3 days to avoid chestnut rot caused by high humidity in the refrigerator.

The method is as follows: 1. Cooked chestnuts can be sealed with fresh-keeping bags, or directly wrapped in newspapers, and then frozen in the refrigerator, but don't rinse them with clear water before freezing, so as not to increase the humidity of chestnuts and lead them to mildew and deterioration.

2. You can also dry the cooked chestnuts for a day or two, then spread them on a plate and put them in the refrigerator. It is best to take chestnuts out every 2-3 days to avoid the high humidity in the refrigerator, which will lead to chestnut rot.