The royal wedding cake designer and her team were busy in Buckingham Palaces kitchens on May 17, and amp;nbsp;putting the finishing touches on a quintessentially Spring and British wedding cake fit for a prince and princess. Claire Ptak, who runs a and amp;nbsp;bakery and amp;nbsp;in and amp;nbsp;east and amp;nbsp;London, was chosen by Prince Harry and fiancée Meghan Markle in March to design the cake which will have a lemon sponge, a lemon curd filling and an elderflower Swiss spring buttercream icing.
