Preheat oven to 180°C.
Sieve all the dry ingredients into an electric mixer, add the remaining wet ingredients and using the paddle beat together, when well amalgamated pour into a lined 25cm cake tin. Bake in the middle of the oven for 50-60 minutes. Check the cake is cooked with a knife, which should be clean when pulled out.
Cool the cake on a cake rack and when cold cut the cake horizontally into two.
Beat all the chocolate & coffee icing ingredients together in the mixer until combined. Spread the filling over the base cake and sandwich with the top layer.
Melt all the topping ingredients together and spoon over the top of the cake.
This makes a large cake for 16 people. The recipe can be halved easily. Delicious and moist, it can also be served as a gateau.