His dishes draw heavily from family recipes, and he once earned Gourmet Magazine's nod for the world's best meatballs. Martorano got his start in the food business selling sandwiches out of his parents' basement in the 1980s, when he was deejaying at clubs around the city. This will be his second after opening a location last year at the Rivers Casino Pittsburgh, in addition to his other U.S. South Philadelphia native and celebrity cook Steve Martorano plans to open up his Italian-American steakhouse, Martorano's Prime, at the Rivers Casino Philadelphia in Fishtown.