It kind of depends on what you actually need,
What your body prefers and / or what makes you feel good without a big come down,
The type of come down you get off a chocolate bar after nine holes
thats something we need to work out
BUT…..
How about this old article from the boys at TPI to give you some on course help
Happy Saturday
http://www.mytpi.com/articles/health/peanut_butter_or_bananas_-_what_is_best_for_fuel_on_the_course?search=Nutrition