These are Okinawan Sweet Potatoes. The dirt here is so rich in minerals that you simply dust the excess off and enjoy them dirty. They are an acquired taste.
Well, that is what I told the kids for April Fools. They thought they were yummy in the end. These are from the Martha Stewart Mag - March 2011. She suggested them for a St. Patrick's Day treat.
It was so funny listening to them try and get Jason. Who spit his out by the way. They are basically little balls of cream cheese frosting rolled in cinnamon. My kids even tried to trick the neighbor girl, who then treated her parents. Poor neighbors.