There has long been a sibling rivalry between the UK and the US, America being the chubby younger sister with a penchant for the sickly sweet. Being the patient older sibling, we have watched over the years as ideas and innovations have been plagiarized and exploited by our aforementioned, spoilt sister. Today, though, with the onslaught of "American" food trends, the silence needs to be broken and a few points made.