Clarified butter used in Indian cookery (4)
I believe the answer is:
ghee
'clarified butter used in indian cookery' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for ghee that I've seen before include "Form of clarified butter" , "Clarified butter used in Indian cookery" , "Clarified butter sauce" , "type of butter" , "Use it to cook" .)