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