Try it - you won't be disappointed!
Combine butter, sugar, white chocolate & milk in a saucepan. Cool for 15 minutes & once melted, mix in sifted flours & eggs. Pour half of the mixture into a prepared cake tin. Add cocoa to the other half or the mixture and poured this into a 2nd tin.
Cook for an hour at 160 degrees.
Combine milk chocolate & cream in a saucepan and allow this to cool so it becomes a spreadable consistency.
When the cakes are cooked and cooled, slice both cakes in half then layer with the chocolate mixture.
Eat it & enjoy!