Pancakes served with sour cream (5)
I believe the answer is:
blini
'pancakes served with sour cream' 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 "Buckwheat pancakes" , "Russian pancake served with caviar and sour cream" , "Straw hat" , "Russian food" , "Pancakes served with sour cream" .)