Talk vaguely about providing food (6)
I believe the answer is:
waffle
This might be a double definition.
'talk' is the first definition.
(I've seen this before)
'vaguely about providing food' is the second definition.
'waffle' can be an answer for 'food' (waffle is a kind of food). I'm not certain of the 'vaguely about providing' bit.
Can you help me to learn more?
(Other definitions for waffle that I've seen before include "Cake with grid-like surface" , "Batter-cake; vacillate" , "Prattle" , "Witter on" , "that you may have at breakfast, say" .)