Spoon cake mixture into cake tin and bake for about 35 minutes or until an inserted skewer comes out clean. Allow to cool before icing. Melt the chocolate in a heatproof bowl over simmering water ...
Drizzle over the melted chocolate and use an electric whisk to beat together until just combined. Swirl the icing over the cooled cake, then grate over the last square of chocolate. Dot a few ...