Sweet dish named after a ballerina (7)
I believe the answer is:
pavlova
'sweet dish named after a ballerina' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for pavlova that I've seen before include "Sweet dish named after a ballerina" , "ballerina? > That's sweet" , "Meringue dish" , "Sweet - dancer" , "Surname of ballerina" .)