Oblong snack (6)
I believe the answer is:
eclair
(Other definitions for eclair that I've seen before include "Finger-shaped cream-filled cake of choux pastry" , "Choux pastry cream cake" , "Cream bun" , "Long cream puff" , "A relic (anag)" .)
I believe the answer is:
eclair
(Other definitions for eclair that I've seen before include "Finger-shaped cream-filled cake of choux pastry" , "Choux pastry cream cake" , "Cream bun" , "Long cream puff" , "A relic (anag)" .)