If you’re referring to the viral banana-storage tip, the “one kitchen item” is usually plastic wrap.
Why it can help
Bananas naturally release ethylene gas, which accelerates ripening. The stem area releases a significant amount of ethylene. Wrapping the banana stems with a small piece of plastic wrap can slow the movement of ethylene and may modestly extend shelf life.
How to do it
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Keep the bananas together or separate them, depending on your preference.
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Wrap the crown/stem ends tightly with plastic wrap.
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Keep them at room temperature while they’re still green or yellow and not fully ripe.
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Once they’re ripe, you can refrigerate them to slow further ripening. The peel may turn brown or black, but the fruit inside can remain good for longer.
One caveat: “10 days longer” isn’t guaranteed. Temperature, banana ripeness, humidity, and handling all affect how long they last.
A more accurate headline would be:
“Make Bananas Last Longer: Try This Simple Kitchen Storage Trick”
