John Whaite Creepy cobweb cake recipe for Halloween on Lorraine

John Whaite makes a creepy cobweb chocolate cake for Halloween on Lorraine.

The ingredients for the cake: 90g butter or margarine, 100g caster sugar, 180ml whole milk, 3 large eggs, 240g self raising flour, 60g cocoa powder, 1tsp bicarb, 150g Guinness and 200g dark muscovado sugar.

For the ganache icing and cobwebs: 250g dark chocolate, chopped, 250g milk chocolate, chopped, 350g double cream and 50g white mini marshmallows.