ALBAWABA Onions are a kitchen staple, but improper storage can cause them to spoil quickly. With the right techniques, you can extend their freshness for up to three months. Here’s the best way to store onions and make them last. 1. Start with the Right Onions Not all onions are suitable for long-term storage. Choose firm, dry onions with papery skin and no signs of sprouting or soft spots. Yellow ...