Seek food (because of the sausage being finished?) (6)
I believe the answer is:
forage
'seek food' is the definition.
(I've seen this in another clue)
'because of the sausage being finished?' is the wordplay.
I cannot quite see how this works, but
'because' could be 'for' (I've seen this in other clues) and 'for' is present in the answer.
The remaining letters 'age' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for forage that I've seen before include "sort of cap" , "Rummage, search for" , "Seek for food" , "Wander and feed" , "Search widely for food" .)