Decided to adapt a recipe from the GBBO Book I'd already tried, the Mocha Marbled Loaf Cake: http://bakingbo.blogspot.co.uk/2012/10/chocolate-mocha-marble-cake.html I wanted to make it in cupcakes, instead of a loaf to make it easier to share with my pals! Also had to change it so it didn't have coffee in it... I have a fussy friend. Ingredients for the sponge 250g unsalted butter, softened 250g caster sugar 1 tsp vanilla extract 4 large eggs, beaten 250g self-raising flour pinch of salt For the chocolate mixture 30g cocoa powder 2 tbsp milk For the vanilla mixture 1 tsp vanilla extract Chocolate chips For the glaze 100g white chocolate 100ml whipping cream Method 1. First, make the sponge mixture! Put the butter in a large mixing bowl and beat with an electric mixer until very creamy. Gradually add the sugar and then the vanilla. 2. Gradually add the eggs, one tablespoon at a time, beating well with every addition. When you're down to the last two spoonfuls, add o