And the absolute worst place to store onions—unless you want them to spoil faster. We like to think of a few items as the elements of our cooking “capsule wardrobe” in the Test Kitchen.

When choosing fresh scallions at the supermarket, focus on two parts of the scallion: the bulb and the middle of the stalk, ...

Avoid raising the flame too high while sauteing, as this can burn the onions. Always keep the flame low-medium for even cooking. While sauteing onions, ensure you use a sufficient amount of oil. The ...

We don't recommend storing potatoes and onions together, as onions emit a gas that accelerates potato spoilage. To prolong freshness, store them separately in cool, dry, and well-ventilated areas.