Kogi BBQ's Roy Choi on Working with Katy Perry & Jon Favreau

YH is hanging out at Roy Choi's first brick-and-mortar taqueria for his iconic Kogi BBQ taco truck where he gives us the scoop on his memoir 'L.A. Son' and what inspired him to write it! He also discusses working with Jon Favreau on a loose adaptation of the book (the 2014 film 'Chef'), plus he talks about appearing in Katy Perry's "Bon Appetit" music video and on "Gilmore Girls"!