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How can you avoid crying while cutting onions? Tips on using a sharp knife and chilled onions.

How can you avoid crying while cutting onions? 5 Science-backed tips

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Crying while chopping onions is a chemical defense mechanism, but it can be easily prevented. Discover the science of why onions irritate your eyes and learn the most effective, pro-chef-tested methods to stop the tears—from temperature control and knife sharpness to the one physical barrier that never fails.