So aspic is out for the Spanish artist (7)
I believe the answer is:
picasso
'so aspic is out for the spanish artist' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for picasso that I've seen before include "Cubist artist" , "Pablo ,,,,,,,, great late Spanish artist" , "As cop is a Spanish painter" , "famous artist" , "20th century painter" .)