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Asked by Leland Grant
Onions and Garlic

How can you cut an onion without crying?


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Violette Cummerata
December 13, 2019 5:18PM

In order to prevent crying, it helps to understand why it happens. There is a chemical reaction that occurs when you cut an onion—you damage the onion’s cells, and the enzyme (Syn-ropanethial-S-oxide) that escapes acts as a lachrymatory agent. When that agent hits your eyes, it mixes with your tears to make sulfuric acid, and your tear ducts activate in an attempt to wash out the contamination.

So, that being said:

  1. Wearing goggles is the most obvious answer. It may look a little silly, but it’s the easiest way to prevent the onion’s enzyme from reaching the eyes.
  2. Sharpening your knife beforehand limits the damage to the onion cells, thus releasing fewer gases.
  3. Spraying your cutting board with vinegar slows down the chemical reaction. It does, however, make your onions smell/taste like vinegar.
  4. Always placing the cut side down will minimize the chemicals released into the open air.
  5. Cutting onions under the kitchen vent will remove some of the chemicals from the air.
  6. And finally, try not to form an emotional bond with your onion.
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Richard Simpkins
December 26, 2019 3:10PM
Wear protective goggles, swimming goggles etc that cover your eyes completely.
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Aesop sixtynine
December 23, 2019 3:36AM
Wear swiming goggles, a gas mask or a space suit to keep your eyes in an air tight enviorment stoping the combination of hydrogen sulfide, sulfuric acid, and sulfuric dioxide, otherwise known as syn-propanethial-S-oxide that oinons release when cut from reacting to the water in them.
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Blaine deWeber
December 28, 2019 12:57AM
Put on goggles.
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padmavathy Sivasankar
December 27, 2019 6:11AM
Dip it on water for 5 minutes and then cut it
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Karl Kirkland
December 31, 2019 5:23AM
I was told by chewing; Chewing gum or earing will keep you from crying
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Amber Lounsberry
January 11, 2020 8:50AM
Keeping the onion in a bath of ice water will cut down a lot of the sting. Combine that with only breathing through your mouth not your nose and you should be able to make it through a whole onion without crying.
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Khan Raheela
December 29, 2019 2:40PM
by washing onion with water after peeling offf
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Karen Wesley
December 30, 2019 7:21AM
I freeze my onion for about 60 to 100 minutes, then I am able to cut it tear free.
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Joram Shayne Chege
December 30, 2019 10:20AM
Its simple. First cut the onion into two halves and deep them in water for about 2min. peel a potato and slice it severally and put it in the bowl that you'll put the chopped onion. (NB?/The potato absorbs the diffusing onion from reaching you.) chop your onion into the bowl containing sliced potato as you prepare to cook.
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January 08, 2020 7:37PM
run some water
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Robby San
December 30, 2019 11:23PM
If you don't have goggles handy, I suggest making them out of plastic wrap. I figured that out when I worked in a restaurant, and I still do it. It is usually available in the kitchen. Plus everyone gets a good laugh when they see you in your "Saran Goggles".
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December 30, 2019 10:20PM
Practice and be tough like me
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Hemant L
December 31, 2019 1:22PM
burn candles around you when you cut onions, that will reduce the heat coming from the onions
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Muhammad Saqlain Bashrat
January 01, 2020 6:34AM
There are some tips that I want to share with you. 1. Put on glasses to cover eyes. 2. Keep the onions in water for 15 to 20 minutes then cut them 3. Some peoples use chewing gum during cutting onions. 4. If you want funny solution then wear bike helmet,
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Mohammad tavakoli
January 08, 2020 3:13PM
Its not possible
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Marenyl Anne Aguinid
January 07, 2020 11:44AM
put some salt beside you and slice the onion under water.
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rodrigo bahena
January 07, 2020 1:23AM
I put a small fan next to me. Blowing away the enzymes that the onion releases. Just make sure it is not blowing toward somebody else.
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Njinjubernice Akemndatambo
January 06, 2020 2:59PM
close your eyes
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January 04, 2020 2:39PM
wear glasses
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January 02, 2020 9:37AM
When you cut the put the cover of that onion on your head
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natalia miler
January 03, 2020 12:11AM
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January 02, 2020 2:32AM
Put it in the freezer first.
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Laraine Barker
December 28, 2019 7:31PM
Contact lenses are great for stopping the tears when chopping onions. I wish I could still wear them.
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Bol Bol
December 29, 2019 3:48PM
you just need to micromave the onion then cut it or you can put bread on your mouth so the onion's smell doesn't go to your eyes
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padmavathy Sivasankar
December 27, 2019 6:10AM
for celbration
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baylee cruch
January 03, 2020 7:24PM
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Declan Higgins
January 03, 2020 7:12PM
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Wiki User
December 11, 2012 5:40PM

you can chill it in the freezer for a certain amount of time or cut it under water

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Kd Grayson
December 21, 2019 10:31AM
You have to be naked.
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Danica Vassar
December 19, 2019 6:45PM
to spend timee with my family
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trinity edwards
December 19, 2019 11:25PM
Before, cutting place your knife wherever you want it to be at. Then, cut. SIMPLEEEE RIGHTTT I DID IT TO TEST AND IT WORK SO YES RIGHTTTTTT!!!!!!!!!!!!!!!!!!!!!!