TELL ME WHERE THOSE DELICIOUS POLKA DOT MUSHROOM BARS?

You guys, I've got a hankering for those incredible polka dot mushroom bars lately. They're just so fantastic! I remember having them at that cafe downtown last year. But now I can't seem to find the name of the place, and I've been digging everywhere for them. Do any of you have any hints where I could find these delicious treats? Maybe it was a