There are rare moments, when the British summer is playing ball, that London can feel fairly exotic. When the sun beats down and Londoners pour outside, noise levels rising, the scent of grilled meat in the air, music streaming out from cars and bars, it’s easy to pretend that you’re in an entirely different country. This is helped along with a spot of world cuisine from London’s diverse restaurant scene. I was recently transported to the Caribbean thanks to a balmy summer evening, jerk BBQ and copious amounts of rum at the new Cottons restaurant in Shoreditch. When I first moved to London I lived around the corner from the…