Gratterpalm Advertsising Agency pop up cake stall, Leeds, September 2013. Published September 11, 2014 at 3264 × 2448 in Gratterpalm Advertsising Agency pop up cake stall, Leeds, September 2013. White Cherry Bakery will come into your office or kitchen at work and hold a pop up cake stall over lunchtime, perfect to treat all your employees.