Peeling and slicing onions is one of the least pleasant things we do in the kitchen. When the skin is disturbed, it then releases an enzyme (alliinase), which reacts with other ingredients causing the tearing of the eyes.
“The tear gas” strongly irritates the conjunctiva, which is why we want to avoid this unpleasant experience. For this purpose, various odd methods are described online. There are many methods, such as putting on goggles to putting under the upper lip a piece of bread. Some are effective, others not so much.
Fortunately, we have the perfect way to have you avoid unnecessary tears. With help comes plain oil, which coats the knife. it’s important for it to be well sharpened. When it’s blunt, and starts to jerk and crush fibers, which contributes to the increase of secretion of irritating vapors.
If we will cut only one onion, we just clench our teeth and deal with it, but when a few pieces are lined up waiting, things are not quite so colorful. So, this method is so for those who don’t like to unnecessarily cry!