Allow to cool until the chocolate no longer feels hot to the touch. Beat the butter in a bowl until soft, then gradually beat in the icing sugar. Add the vanilla extract and beat again.
We like to drizzle this thin ... mascarpone frosting for pumpkin and banana cakes, and chocolate frosting for everything from marble cakes to brownies.
Mix the cream cheese and icing sugar together in a bowl ... chocolate run over and cover the cream cheese filling.) Drizzle white chocolate lines across the top about 2cm/¾in apart.
Poke holes in the cakes, then drizzle three to five tablespoons of simple syrup on each cake layer to make them more moist. Spread a layer of chocolate fudge frosting on top of the first cake layer.