Perhaps heating the grain in a pressure cooker using a steamer container
so the grain isn't in the water, then releasing the pressure very quickly
would work.

 

At 03:48 PM 12/13/01 -0500, you wrote:
>From http://www.sanitarium.com.au/schoproj/sppuffed.htm :
>
>4. The Puffing Process
>
>The essence of puffing is to gelatinise the starch in wheat in a hot
>pressure chamber and then suddenly release the pressure, so that the grain
>expands to several times its original size.
>
>The first step is to deliver a measured quantity of wheat into a pressure
>chamber (known as `the gun') and heat it by high pressure steam to almost
>200oC. This is achieved in less than a minute. The pressure is then
>released, expanding the grains and shooting them into a large chamber
>(referred to as `firing the gun').
>
>Also see:
>
>http://www.howstuffworks.com/question393.htm
>
>I am not aware of any home puffing appliances.
>
>Marshall
>
>Stephen Hessler wrote:
>
>> Hi Judith,  I just ordered 50 # millet.  How do I puff it?  Thanks,
>> [email protected]
>> Stephen K. Hessler, N.M.D.
>> HC  1  Box 175
>> Centerville, MO 63633
>> 573-924-2254 (usually home after 8 pm)
>>
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>