Last week I made a Jaffa Cakes Box cake for a hen do. The bride to be loves Jaffa Cakes and wanted a giant version of it. So I looked around the internet for recipes, there are many recipes online and many different ways to make the orange filling and chocolate coating. I found the orange jelly recipe from BBC Food is very easy to follow but to make the cake into a box, I need a sturdier sponge and a softer icing to shape into a smooth block. So I used the light sponge recip