Crossword Genius

Kind of seed on some buns (6)

Ross

I believe the answer is:

sesame

(Other definitions for sesame that I've seen before include "Open .... is a pantomime cry" , "Opening word for the oilplant?" , "Password of the Arabian Nights" , "Plant yielding seeds used for flavouring bread" , "Plant cultivated for its seeds - opening word?" .)

I've seen this clue in the USA Today.
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