Raise the dough to quit before November (6)
I believe the answer is:
leaven
'raise the dough' is the definition.
(to leaven dough is to make it rise)
'quit before november' is the wordplay.
'quit' becomes 'leave' (synonyms).
'before' means one lot of letters go next to another.
'november' becomes 'N' (phonetic alphabet: alpha, bravo, charlie etc.).
'leave'+'n'='LEAVEN'
'to' is the link.
(Other definitions for leaven that I've seen before include "Yeast or other raising agent" , "Ferment, raise" , "It's used to produce fermentation" , "Substance that makes dough ferment" , "Cause bread to rise by adding yeast" .)