You can’t just chuck a naked onion half in the fridge and hope for the best. That’s a rookie move. The fridge air will dry it out, turning your once-plump onion into a leathery, sad little disc. Always wrap it up—plastic wrap, a reusable silicone bag, or even a tight-lidded container.
But wait! Is there a “best” way? Some folks swear by wrapping the cut side in plastic wrap super tight, like you’re mummifying a tiny pharaoh. Others say a glass jar with a lid is the MVP. Both work, but air is the enemy. The less air, the longer your onion lives.
Storage Spoiler: The Onion’s Secret Life
Here’s a weird truth: once you cut into an onion, it starts releasing a gas. That same gas that makes you cry? It’s also flavoring everything around it. An unsealed onion in your fridge will make your butter taste like onion butter. Your milk? Onion milk. Your strawberries? Immediately tragic. So, seal it tight, friend.
If you’re feeling fancy, you can even toss the wrapped onion in a zip-top bag and squeeze out all the air. This buys you an extra day or two—pushing you toward the 10-day limit. But let’s be real: after day 7, the texture gets a little… floppy.
