It seems the list of shops disappearing from our high streets is endless – but a bakery in one town centre has been serving up pastries and cakes from the exact same spot for the last 93 years. As it prepares to safeguard its future with a plan to build flats, Joe Crossley went along to find the secrets to its success… If you walk down through Sittingbourne at lunchtime you will no doubt see a queue of hungry customers at the door of A.E Barrow and Sons. The shop, with its dark green frontage, is an iconic part of the High Street which has been selling bakes, pastries and cakes since 1931. B…