How To Chop Onions Without Crying (It’s Easier Than You Think!)

Chopping onions is one of the most common kitchen tasks, but it's difficult to do without your eyes burning and watering. The culprit is a gas released when the onion is cut, but the good news is that a few simple techniques can greatly reduce the irritation.

By following these simple tips, you can chop onions with ease (and without the tears).

Chill the onion before chopping

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Foodie Fix
Foodie Fix

Placing the onion in the refrigerator for about 10 to 15 minutes before chopping slows the release of the irritating compounds.

A cold onion produces less gas, which means less irritation for your eyes. It's an extra step, but it's worth it for an easier chopping experience.

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Stabilize the cutting board

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K. Y. Cheng/South China Morning Post via Getty Images
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Before you begin chopping, place a damp paper towel or slide-proof mat underneath your cutting board.

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This will prevent the board from sliding around while you're cutting the onions so you can make quick, effective cuts.

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Use a sharp knife for cleaner cuts

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A dull knife crushes the onion's cells, releasing more of the compounds that make you tear up. A sharp knife slices cleanly, reducing the amount of gas released into the air.

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It also makes cutting easier and safer overall. Good knife maintenance is key to chopping onions with ease.

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Improving airflow

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MARTIN LELIEVRE/AFP via Getty Images
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Improving airflow is the final element that will ensure a tear-free chopping experience. When cutting onions, breathing through your mouth can help prevent your eyes watering.

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You can also turn on a fan or open a window to improve overall airflow and prevent the burning and watering sensation.

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The bottom line

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Whitney Hayward/Portland Portland Press Herald via Getty Images
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You don't need fancy gadgets to chop onions without crying. Chilling the onion, stabilizing the cutting board, using a sharp knife, and improving airflow are simple steps that make a real difference.

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With these techniques, you can handle onions more comfortably and focus on cooking instead of wiping your eyes.