Savoury jelly (5)
I believe the answer is:
aspic
'savoury jelly' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for aspic that I've seen before include "Gelatin product" , "garnish" , "Jelly made with fish or meat stock" , "Savoury jelly used to coat eggs etc" , "Savoury jelly for coating meat, eggs etc" .)