How to pack the dumplings frozen in the refrigerator to ensure three hours without sticking

1, dumplings wrapped, rolled in a pile of dry flour, and then put into a plastic bag, into the refrigerator can be.

2, put in the tray grain swing, put the refrigerator frozen about half an hour, and then take it out, with a small scraper and other small tools to shovel loose, one by one in a food bag, tie the bag mouth, and then put into the freezer.