On this episode of the Extra Spicy podcast, host and restaurant critic Soleil Ho speaks to Shared Cultures founders Eleana Hsu and Kevin Gondo about their use of local, seasonal ingredientsin products like miso and soy sauce. Koji is the star microbe popping up at restaurants all over the Bay Area, made by artisans who have taken up traditional fermentation methods with deep roots in Japan, Korea and China.| Unlimited Chronicle access: sfchronicle.com/pod Learn more about your ad choices. Visit megaphone.fm/adchoices