Caviar, the eggs of the sturgeon (oxyrrugochos). Herodotus and Strabo were said to be big fans.
On Syros they make χαβιάρι του φτωχού: (chaviari tou ftochou) or 'poor man's caviar'. It's similar to French tapenade, made with black and green olives, capers, olive oil, lemon, parsley and oregano
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