if you can;t get dry ice, spread them out on waxed paper on a cookie sheet, he;s right about the water though, best tip for that is a ultra sharp knife. and don;t chop like a ginsu madman, that busts the cells up and the water drains out. same thing happens with a food processor.. old head chef and a carpenter used to tell me, measure twice cut once. makes sense in alot of things.