http://www.teachat.com/viewtopic.php?t= ... c&start=15
or let me quote him here
Speaking of tisanes (I guess that's what they are called). Not sure how many tea-people know of Cascara. It is a tea made from dried coffee cherries. It's quite lovely, sweet, reminiscent of dates/figs/raisins. A seriously big caffeine kick too.
Here's a video showing it: