Aluminum foil or plastic wrap creates an airtight seal around the stems, trapping the ethylene gas and preventing it from circulating into the air.
Don’t make the mistake I did by using parchment paper—I’ve learned that it doesn’t work, as it can’t form a proper seal to contain the ethylene gas.
You can also store bananas in the fridge to keep them fresh (Image: Katherine McPhillips)
About two weeks ago, I tested this method on a newly bought bunch, and after 10 days, the bananas were still fresh. With just a bit of aluminum foil, they lasted nearly two weeks longer than they would’ve in a fruit basket.
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