Simon Rimmer and Russell Brand served up chocolate and vanilla bars on Sunday Brunch.
The ingredients are: 320g flour, 75g sifted cocoa, 120g icing sugar, 250g butter, 1 egg, 450g chocolate and 50ml veg oil.
For the frosting: 300g butter, 250g sieved icing sugar, 100ml milk and 1 vanilla pod.