Celebration Chocolate Cake

Fitting nicely into this month's We Should Cocoa theme, this cake was actually designed to be the piece de resistance at the cake fest last month and luckily it proved to be so. I wanted something rich and chocolatey yet fudgy with a contrasting flavour. I'd already decided to use my apple and lemon curd to fill the cake and then when I spotted the Treacle chocolate fudge frosting in Short &