At a time when most new restaurants have identikit interiors, concepts which require training for staff to explain, and openings carefully managed by specialist hospitality PR companies, Hugh Corcoran’s maverick Yellow Bittern has garnered more media attention in its first two months than most restaurants will notch up in a decade. Ironically, for a place that doesn’t have a website or any social media accounts, it’s the most talked-about restaurant in London.