Why You Should Never Store Onions With Potatoes—Plus, Other Fruits and Vegetables

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Ultimately, understanding which types of produce can and can't safely be stored near each other will maximize your foods' longevity. "In general, don't store ethylene-sensitive fruits or vegetables with fruits or vegetables that produce a high amount of ethylene gasses," says John Adler, the vice president of culinary at Blue Apron. "Probably the best example of this is storing onions with apples—you will end up with onion-scented apples!—and more commonly, onions with potatoes. Storing onions and potatoes together will hasten the ripening process on the potatoes, leading them to grow eyes and sometimes roots." This goes for garlic, as well, despite the fact that potatoes, onions, and garlic should all be housed in a cool dark place.

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