Delve into the wonderful world of chocolate at hotel chocolats cocoa vaults a magnificent underground gem located in the heart of covent garden head down to the basement and embark on a wonderful chocolate adventure gain insider knowledge and tasting tips from a resident chocolatier while learning the nuances of flavour texture and factors such as cocoa terroir and conching time but its not all talk you get to tuck in too accompanied by a glass of prosecco sample 13 very different b