I'm interested in making dairy-free Banana nut bread. What can I use as an alternative to butter? I'm aware that there is soy and coconut milk as alternatives to cow's milk, but I'm not immediately sure that using those will work as a substitute, as cow's milk is to soy milk as (regular) butter is to soy butter (which is not the same concept, as I understand?). Basically I'm wondering what products exist which would provide the chemical properties of butter without being dairy.
Result, using rfusca's advice: