As a rule if thumb, find inspiration within the same cuisine as the original dish. Thats the easiest way.
If you serve mexican, would you go for tortillas, or for some odd scandinavian similar thing?
The cuisines has developed dishes and pairings wich combine well together. Its centuries, if not more, of experience.
Bubas examples are all made up of ingredients you would find in the jamaican kitchen.
If you serve Italian, think Italian.
The same goes as well...