I'm going to go google this now, but I don't think it exists.
Peanut butter coffee.
They have chocolate coffee, raspberry coffee, hazelnut, eggnog, Kahlua but I have never heard of such a thing as peanut butter coffee. I kind of want it to exist so I can try it.
Update: googled it and found this guy http://phronko.blogspot.com/2006/09/food-logic-volume-2-peanut-butter.html who had the same thought.
Everything taste better with peanut butter, someone commented on his blog...which leads me to what else but bacon.
Bacon flavored coffee?
Just did a search.
Yup, it exists.