Having spent a week travelling by train from London to Istanbul, my wife, friends Em and Phil, and I somehow arrived on schedule, glimpsing the sunrise as we pulled into the station. Everyone else crashed out at the hotel while I dashed off with my camera. Within minutes, I was holding my breakfast, from the street cart of one of the city’s 1,400 registered simitçi. Simit are the definitive Turkish street food, traditionally eaten very fresh w