A hand-held masher device for mashing of potatoes and like food stuffs; said device including a power unit providing a rotating shaft output; said device further including a masher assembly extending from said power unit; said masher assembly including a skirt element and a mashing element operating within said skirt element; characterized in that mashed potato and like food stuff is extruded through apertures disposed in a side wall of said skirt element; said masher assembly including internal guide surfaces; said guide surfaces in the form of an inverted portion of a conical structure depending from an underside of a supporting annular conical wall of said skirt element, and wherein upper portions of blades of said mashing element conform to said guide surfaces.