Savoro

Savoro is a relic of the days before refrigeration, when fishermen and island households needed to make a catch last. The name comes from the Venetian word sapor (Italian sapore, flavour), and the Venetians spread the technique through the territories they held — the Ionian and Aegean islands, Crete and Cyprus — where it picked up rosemary as its signature note. The roots may run deeper still: the Byzantine scholar Faidon Koukoules recorded vinegar sauces called savouras in Byzantine cooking, predating the Latin term, so the Venetian name likely refined an older eastern Mediterranean habit rather than inventing it.

The fish is fried first so the skin stays crackling even after it sits in sauce, and the flesh underneath is sharp and bright from the vinegar that has worked its way in. The sauce is aggressively sour, tempered by the sweetness of plump currants and the resinous, almost piney hit of rosemary. Cold from the fridge, it is cleaner and tarter; left out to warm slightly, the aromas open up. Bread is essential to soak the sauce, and a glass of ouzo is the traditional partner.

Savoro is preservation by acid. The catch is fried both to cook it and to set a crust that resists going soggy, then submerged in a vinegar sauce whose low pH halts the bacterial spoilage that would otherwise ruin fish within a day — the same principle as escabeche or the Venetian sarde in saor. A spoon of flour stirred into the hot pan oil before the vinegar goes in thickens the sauce enough to cling to the fish and emulsify with the oil, and the rosemary contributes natural antioxidant and antimicrobial compounds, valued historically as much for keeping the fish as for its scent. The dish must rest so the acid penetrates; the flavour genuinely improves over a day or two.