Garlic sausage (6)
I believe the answer is:
salami
'garlic sausage' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for salami that I've seen before include "Spicy preserved sausage" , "Sausage served sliced" , "Highly-seasoned Italian sausage" , "Preserved meat sausage" , "Cured meat" .)