"Called Cacik in Turkey, Tarator in the Balkans, Tzatziki in Greece, each version of this salad is a variation on a theme: yogurt, cucumbers, garlic, fresh herbs The yogurt is thick, and pungent with mashed garlic, the cucumbers either finely chopped or grated, then salted and allowed to wilt Walnuts enrich the Balkan version, which is also considered a soup, as is Cacik..."