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Ice Cream Rant (the effect of inflation, and economy woes)

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Jdurg:

--- Quote from: Peale on June 27, 2008, 11:38:14 am ---
--- Quote from: Jdurg on June 27, 2008, 11:19:44 am ---It's a shame that Liquid Nitrogen isn't easier to come by.  Making home-made ice-cream with liquid nitrogen helps cut back on the amount of time you have to wait and the effort involved, plus it makes one hell of a good ice-cream!

--- End quote ---

That's on my must-do list of stuff to do in the next ten years.

I don't even know where to get it.  I've looked, but it's pretty controlled.

--- End quote ---

If you go to an industrial gas supplier they can get it for you, but you have to have a container that is licensed for carrying liquid nitrogen.  Those things are pretty damned expensive.  (I've seen them upwards of $800 for one small container).  The liquid nitrogen itself is pretty cheap and not regulated in any manner since nitrogen itself is actually pretty inert unless you have it around other chemicals that would react with it.  Those chemicals aren't that easy to come by.  The expense lies in the fact that if you put a lot of liquid nitrogen in a container that isn't designed to hold it, you run the risk of a pressure build up and explosion as the liquid boils.  The liability involved is HUGE which is why most suppliers won't even consider selling to the general public unless they have a certified container licensed for transport of liquid N2.

But, if you are able to get a hold of some it makes some incredible ice-cream.  The crystalization of the cream forms microscopic crystals that give it an incredibly smooth texture.  The problem is that after you make it, you actually have to let it warm up since initially it will be a hundred degrees or so below the freezing point!  Also, it MUST be made outside since you could potentially suffocate with all the N2 that boils off.

JimmyU:

--- Quote from: Peale on June 27, 2008, 11:38:14 am ---
--- Quote from: Jdurg on June 27, 2008, 11:19:44 am ---It's a shame that Liquid Nitrogen isn't easier to come by.  Making home-made ice-cream with liquid nitrogen helps cut back on the amount of time you have to wait and the effort involved, plus it makes one hell of a good ice-cream!

--- End quote ---

That's on my must-do list of stuff to do in the next ten years.

I don't even know where to get it.  I've looked, but it's pretty controlled.

--- End quote ---

If you ever watching cooking shows where chefs are using liquid nitrogen, they're never wearing the proper protection.  If any of that gets into your eyes, you can your eyesight good-bye.

SirPeale:
So how much does it cost?

Jdurg:
Liquid N2 costs anywhere from $0.30 to $1.50 per liter depending on the source.  So it's pretty damned cheap and you don't need a whole lot to make some ice-cream.

With regards to getting it in your eye, it's not like adding water to hot oil where it will jump up and nail you in the face.  In reality, if you got it in your eye it would just freeze the water in your eyeball and temporarily blind you.  As your flesh thaws out, your vision would return.  It's not like lye which will chemically destroy your eyes.

SirPeale:
Neat!  Now to find a source.

Maybe I'll just make the ice cream at the place they sell the LN2.  Have them dump it right into the mixture.  Has to warm up anyway, right?  :D

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