Mix all of the dry ingredients together and then add all of the wet ingredients.
Mix thoroughly and transfer into a greased, lined tin.
Bake at gas mark 4 for 20-25 minutes. Poke with a skewer- it should come out semi-clean for a fudgy brownie or bake for a little longer for a cake.Allow to cool for 10 minutes then turn out onto a wire rack.Allow to cool thoroughly for maximum chocolaty taste.