You would have to be living under a rock not to realise that street food is a big deal.  The London street food scene has exploded over the last year or so, with a range of top notch vendors serving takeaway scran to suit every palate.  With excellent food markets every day of the week, I’m determined to eat my way through all that the capital has to offer.  Here are a few of my highlights to date: The Little Yolk The clue is in the name.  Starting life as a market stall, these purveyors of fried egg yumminess now have their own cafe at Dalston Farm Shop.  The menu…