Coffee flavor (8)
'coffee flavor' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for mocha that I've seen before include "Kid" , "Kind of coffee" , "Fine-quality coffee" , "Leather" , "Macho (anag.); coffee with chocolate" .)
(Other definitions for hazelnut that I've seen before include "Cobnut or filbert" , "Filbert or cob" .)