Here is a good trick to make ANY cake recipe moist, even box mix. Pour some Godiva chocolate flavore liquor over the cake as it is cooling. The cake soaks it up like a sponge and is oh so moist. Works with Kahlua, rum, and I bet it would work with Baileys irish creme but havent tried it. Works with any cake flavor too. I make cheater tiramisu with boxed yellow cake mix and pour rum all over the cakes. It is moist and delicious every time. For non alcoholic, a bit of cooled strong coffee is also very good. I pour about a half a shot to a shot on a 8 or 9" layer.