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How Not to Cry When Cutting Onions

tbspSusan By

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Onions add flavor to stir fries, soups, sauces and a variety of other recipes, so I love to add onions to just about any savory dish. But when you slice through an onion, the enzymes and sulfenic acids that are naturally present combine to produce gas that can irritate the sensitive tissue of the eyes.

That's why so many people "cry" when cutting onions. So, I added those tasty onions to my dishes through tears ... until I discovered some helpful tips that brought the joy back to using onions in my meals. While you can’t prevent the gas from releasing when you cut onions, there are some tricks that can help reduce or eliminate tears.

Variety Matters


Sweet onion varieties like the Vidalia have more natural sugars and less of the enzymes that produce tear-invoking gases. Many cooks prefer using sweet onions in many recipes, as the taste is mellow and blends easily with other flavors.

Spring & Summer Beats Fall


Onions harvested in the fall will be more pungent and tart than the same variety harvested in the spring or summer. Onions harvested in the cooler months of the year hold less water and have a more concentrated, intense flavor, as well as those troublesome enzymes and acids that induce tears.

You can purchase and store spring and summer onions for many months if done properly — any cool, dry, and dark area will do. Consider a garage, pantry, root cellar, or the lower drawer of your refrigerator set on a dry humidity setting. This doesn't mean you can't buy an onion in the winter. It just means you should be more cautious as you are cutting them and realize it is likely to be stronger.

Keep Those Gases Away from Your Eyes


It may sound simple, but anything you can do to keep the gases from reaching your eyes will keep the tears (and the burning sensation) at bay.

  • Always turn the cut side of the onion away from your face.

  • Turn a fan on to blow the fumes away from your face as you slice the onion.

  • Wear eye protection. A simple pair of glasses can prevent the gases from reaching your eyes. I've found that I am more immune to tearing up when I am wearing my contact lenses, too.

  • Chop the onion in a food processor to contain the gases. Be prepared when you remove the lid, though -- turn your face away, or turn on a fan.

  • Fresh lemon juice can help dissipate the smell of a cut onion. Also try wiping your knife with lemon juice before cutting the onion. Some swear by this simple strategy to prevent crying.

  • Some claim that it helps to cut the onion under running water. You'll have to try and see if that works for you. Take care not to cut fingers instead of the onions, though!


The good news is that you'll build up a tolerance to onions over time. The more you handle onions, the less likely you are to cry over them. In the meantime, take some easy precautions and you can add them to whatever recipes you choose without hesitation.

Onion Recipes


While they might not be the most pleasant ingredient to slice and dice, onions are one of the most popular recipe add-ins ever. Onions make recipes for chili and hamburger casserole much more flavorful, for example, while French onion soup is always a fave of onion lovers everywhere. Onions star in many appetizer recipes like this beautiful blooming onion or classic onion rings, too.

So -- go ahead -- slice, chop, dice and enjoy those onions!

Do you have any tips for chopping an onion without tears? Please share!

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