When Umami Burger founder and CEO Adam Fleischman announced he was stepping down to work on his next venture, fans of the Los Angeles-based burger chain wondered what exactly he had up his sleeve.The answer was chocolate fried chicken - a surprise after a steady fare of burgers and pizza. ChocoChicken opened earlier this summer in downtown Los Angeles. Fleischman credits Keith Previte and Sean Robins with the idea - the pair of entertainment producers came up with the recipe and convinced Fleishman to invest.Kai Ryssdal got a taste: