Reduce a liquid to powder?

What is the best way to reduce a liquid to a powder? Is it best to just boil it down?





I think I heard once that you could put it the liquid in a pot on an open oven door to let the liquid evaporate. Will that do the job?Reduce a liquid to powder?
usually you end up with nottaReduce a liquid to powder?
you cant do dat, it dont work stoupid.

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