When an onion is cut, cells fracture and release an enzyme‑driven chemical that becomes propanethial S‑oxide, the tear‑inducing gas. In kitchens, it emerges as a fine aerosol—a mist of droplets that ...

Common ways to cut up an onion include dicing, mincing, and slicing. A sharp chef's knife is the best tool for cutting onions and will minimize eye irritation. Chopped onions can be stored in the ...

Brown and Han say cut onions should be stored in the fridge, ideally around 40°F or below. Han recommends wrapping cut onions ...

Whether they play a supporting or starring role, onions are the all-purpose flavor agent of the kitchen. They can be bold when sliced thin and served raw as a burger topping, or silky and sweet when ...

Crispy fried onion slices in bowl with a spoon on a kitchen towel - Bhofack2/Getty Images Onions are an undeniable kitchen staple, which is why picking the best onions at the grocery store is crucial.