An improved mold for frozen bars, especially frozen confections on a stick, that allow a quick and convenient release of the frozen confections from the molds by microwave radiation, said molds being made of plasticizer-free, unadulterated, nonrecycled, heat-stable, microwave-transmissible plastic a method using said mold to produce said frozen confections including the step of using microwave radiation to quickly and conveniently release said confections from said mold and an article of manufacture comprising the mold hereinabove, in association with instructions for use.