Ken Frank was a pioneer in the creation of fresh and local California cuisine as a young chef in Los Angeles. He became famous not just for his food but also for standing up to and calling out restaurant owners he says didn’t live up to his standards. He’s won a Michelin star 14 times at his own restaurant in the Napa Valley, where he’s still in the kitchen five days a week. And he’s become America’s leading truffle chef, with a lot to say about the allure of that fungus and why truffle oil is an abomination.   Learn more about your ad choices. Visit megaphone.fm/adchoices