Follow this recipe but use two eggs. When the cake mix is ready divide into two cake tins just like the picture above.
repeat above but when you weigh the flour take out a table spoon of flour and replace with a table spoon of Cocoa, do not use drinking chocolate. Then divide the chocolate mix as above.
Then gently mix together.
sandwich together with your favourite jam or butter cream
Mmmmmmmmmmm! 3/10 for the mixing could do better! But it tasted lovely and our friends enjoyed it too!