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What dothese home friesandthis shrimp etouffeehave in common?

Besides being delicious, they also call for the same partial ingredient:halfof an onion.

And what about that lonely other half of the onion?

Half an onion

Simply Recipes / Photo Illustration by Wanda Abraham / Getty Images

If you choose plastic wrap, store your halved onion cut-side down on the shelf for further protection.

West Passerrello says a properly stored half an onion will last five to seven days.

And no worries if youve already removed ityou can still safely store it in an airtight container.

half of an onion

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sliced onions

Simply Recipes / Photo Illustration by Wanda Abraham / Getty Images