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"coffee"
Grind beans and pour water on them. - in a thermal vacuum | |
Put clean whole coffee beans in chamber A of a small 2 chambered- thermal vacuum chamber with a valve betwen the two chambers. Pump down both chambers to very low pressure, with the empty chamber (chamber B) at slightly lower pressure. Grind the beans with a grinder, and then begin heating the grounds.
As the oils and other aromatic compounds (the flavor) outgasses from the grounds, the valve separating chamber A and B is opened, drawing the these flavors into chamber B but leaving the solids of the grounds behind in A. The valve is then closed and a small amount of very hot water vapor is injected into chamber B. The pressure of the chambers is then returned to ambient and the hot water + coffee flavor mixture is condensed at a hot but not boiling temperature. It is then dispensed in a cute little white cup on a little white saucer and promptly served to me with a chocolate glazed donut and the comics pages from the morning's paper.
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