Taking small bites (8)
I believe the answer is:
nibbling
'taking small bites' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for nibbling that I've seen before include "Leather strip in shoe; thrash" , "Biting off very small pieces" , "Taking small bites" , "having little taste" , "Gently biting at (something)" .)