# Freezing Onions & Peppers w/o ice crystals

**URL:** <https://boards.straightdope.com/t/freezing-onions-peppers-w-o-ice-crystals/724696>\
**Category:** Cafe Society\
**Created:** [July 9, 2015, 8:38pm UTC](https://boards.straightdope.com/t/freezing-onions-peppers-w-o-ice-crystals/724696 "2015-07-09T20:38:39Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![muldoonthief](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/muldoonthief/32/3188_2.png) [@muldoonthief](https://boards.straightdope.com/u/muldoonthief)\
**Post date:** [July 10, 2015, 5:14pm UTC](https://boards.straightdope.com/t/freezing-onions-peppers-w-o-ice-crystals/724696/21 "2015-07-10T17:14:18Z")

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> [@crazyjoe](#):
>
> I believe he actually used liquid nitrogen in that episode, but I could be wrong.

[It was dry ice](https://www.youtube.com/watch?v=5U9BpuYqgeU#t=14m40s). Much easier to obtain, and safer to work with in a home kitchen.

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**Author:** ![txtumbleweed](https://avatars.discourse-cdn.com/v4/letter/t/278dde/32.png) [@txtumbleweed](https://boards.straightdope.com/u/txtumbleweed)\
**Post date:** [July 10, 2015, 5:48pm UTC](https://boards.straightdope.com/t/freezing-onions-peppers-w-o-ice-crystals/724696/22 "2015-07-10T17:48:42Z")

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Can I freeze celery with the same techniques?

I hate having to buy a whole bunch just to make soup (although it is still cheaper to throw out what I don’t eat in time than to buy processed celery) and was thinking the other day I should just freeze it in small packs for the next time I need it.

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