Posted by tif on March 20, 2009 at 1:59pm in Espresso
i seem to get conflicting points of view on this. until recently, i had been under the impression that leaving the puck in the portafilter is the way to go in order to maintain the temperature on the group head. however, lately, i've been told by baristas that you want to keep them clean. i've heard very good baristas say to both things.
let the suggestions fly!
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