Join Us

Tears No More: Expert Tips to Tackle Onion Cutting Without the Sting

Onions: a culinary staple beloved for their flavor but notorious for inducing tears during prep. To decode the science behind this tearful ordeal, consulted with experts to unveil effective strategies for minimizing onion-induced eye irritation.

Dr. Abbey Thiel, a food scientist and host of Abbey the Food Scientist on YouTube, elucidated the purpose behind onions’ tear-inducing mechanism, attributing it to the plant’s defense mechanism against predators. When onion cells are damaged during slicing, enzymes and amino acids react, producing sulfur compounds that trigger eye irritation.

One ingenious method to thwart tears involves using a fan to disperse the vapor away from the cutting area, significantly reducing eye exposure to irritants. Additionally, wearing goggles, though unconventional, provides a foolproof shield against airborne molecules, safeguarding the eyes from irritation.

For those adverse to wearing goggles, Dr. Thiel recommends wearing contacts as an alternative eye shield during onion chopping sessions. Another pragmatic approach involves chilling onions in the fridge or icy water before cutting, which diminishes the volatility of irritant vapors.

Dr. Bryan Quoc Le, a faculty research fellow at Pacific Lutheran University, suggests microwaving onions before slicing to mitigate eye irritation, although this method may alter the onion’s texture. Alternatively, incorporating acids like lemon or vinegar into the onion-cutting process can neutralize tear-inducing enzymes while enhancing flavor.

Some aficionados advocate lighting a candle during onion prep to block or react with irritant vapors, although results may vary depending on the candle type. Regardless of the method employed, mastering the art of onion cutting sans tears requires a blend of scientific insight and practical experimentation.

So, the next time you embark on a culinary adventure involving onions, arm yourself with these expert tips to bid farewell to onion-induced tears and savor the culinary magic without the sting.