Pancakes sometimes served with caviar (5)
I believe the answer is:
blini
'pancakes sometimes served with caviar' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for blini that I've seen before include "Pancakes served with sour cream" , "Small buckwheat pancake" , "Straw hat" , "Russian pancake served with caviar and sour cream" , "Buckwheat pancakes" .)