Mario Renda has tried pot-laced chocolate truffle cake, pudding and the old standby, brownies. But never a California dispensary’s new line of cannabis ice cream. That, for the moment, is a treat for medical marijuana users to savour just in Santa Cruz. Crème de Canna this month introduced three flavours of marijuana-laced ice cream – chocolate, banana and strawberry – for $15 a pint, available only to card-carrying medical-marijuana users. “It’s made with organic local strawberries and a Grand Marnier reduction,” says Jonathan Kolodinski, owner of the licensed dispensary. Each half pint is equivalent to “two or three doses” of...