The Cadbury Flake Celebration cake is back! I had its predecessor a few years ago and it was delicious and I certainly couldn’t believe that they discontinued it there after. Fear not though it’s back on the shelves and promises to be an even more delicious sponge. Given we had a birthday at the weekend it was only fitting that we give this new version a go, and plus I was buying the cake so it was my choice!  Chocolate sponge layered with chocolate flavour creme and a chocolate flavoured syrup, covered with milk chocolate and decorated with milk chocolate flake…