Nutty sweet (6)
I believe the answer is:
'nutty sweet' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for nougat that I've seen before include "Chewy sweetmeat" , "Chewy confection with nuts, cherries" , "Chewy sweets made of nuts, sugar and albumen" , "Nutty confectionary" , "Chewy almond sweet" .)