When onions are bought back, some soil will be attached to the surface. If the onion is stored at room temperature, it can be wrapped in newspaper to avoid direct sunlight, and then stored in a cool and dark place, so that the onion can be stored for a longer time.

Step 2 refrigerate

If you can't finish eating onions for a while, you can wrap them in newspapers, put them in plastic bags and store them in the cold storage layer of the refrigerator. Onions pickled in this way can generally be preserved for about 3 days without deterioration.

3. cellar storage

If there are too many onions in the north, you can put them in the cellar. The custom of keeping food in the cellar has a long history. If you have a cellar at home, you can do this.