Rich, nutty cake (5)
I believe the answer is:
torte
'rich nutty cake' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for torte that I've seen before include "1d [PASTRY]" , "German cream cake" , "Sweet cake or tart" , "Rich (Austrian) cake or pastry" , "(Austrian) cake with cream and fruit or nuts" .)