Burger Master Cast Iron Burger PressBurger Master is a cast iron burger press designed for smash burgers, even searing, and backyard or kitchen carry from grill to flat top. I was standing over a hot flat top outside Amarillo, the kind of dry Texas evening that makes smoke hang in the air just long enough to build anticipation. The meat hit the steel with a hiss, and I brought the Burger Master down firm. Not too hard. Not too gentle. Just enough to spread the patty thin and honest. A