Thick soft cake eaten toasted and buttered (7)
I believe the answer is:
crumpet
'thick soft cake eaten toasted and buttered' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for crumpet that I've seen before include "Thick soft cake eaten toasted and buttered" , "Breakfast" , "hot stuff?" , "Round yeast cake eaten hot with butter" , "Muffin" .)