Jim Serpico speaks with the owner and proprietor of Pat's Kings of Steaks, Frank Olivieri, about his family inventing the Philadelphia Steak Sandwich, the Italian Market, sourdough baking, expansion, scaling a business, culinary school, Paris, to cater or not to cater events, Citizens Bank Park, outdoor kitchens, pizza making, the Philadelphia food scene and more! Follow Jim Serpico on Instagram: @jimserpico and @sidehustlebread Follow Pat's King of Steaks on Instagram at @pats_king_of_steaks