By Richard Alleyne
When the legendary American food writer Ruth Reichl brought her team of restaurant reviewers to Britain, they were bowled over by the fare on offer.
They were so impressed that they pronounced London to be the best place on Earth to eat and dedicated a whole issue of the million selling food bible, Gourmet magazine, to the city.
Bill Oglethorpe with his world-famous sandwich
But while top restaurants like Gordon Ramsay and the Fat Duck at Bray, both of which have three Michelin stars, inspired her admiration, it was a £3 toasted cheese and onion sandwich from a market stall that most blew her away.