Rich tart (10)
I believe the answer is:
cheesecake
'rich tart' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for cheesecake that I've seen before include "Provocative girls" , "Rich sweet tart" , "Creamy tart" , "Sexy female photographs - rich sweet" , "Dessert food" .)