Warm fowls for pagans (8)
I believe the answer is:
heathens
'for pagans' is the definition.
('heathen' can be a synonym of 'pagan')
'warm fowls' is the wordplay.
'warm' becomes 'heat'.
'fowls' becomes 'hens' (hen is a kind of fowl).
'heat'+'hens'='HEATHENS'
(Other definitions for heathens that I've seen before include "They don't believe in any of the major religions" , "Athens he searched for non-believers" , "Those who do not believe in the main religions" , "pagans" .)