1 Soak raisins in sherry, honey, and balsamic vinegar for 20 minutes.2 In large bowl, combine yogurt, milk, cucumber, eggs, scallions, chives, salt, pepper and chopped mint.3 Add raisins with liquid and walnuts. Cover and chill thoroughly, at least 3 to 4 hours or overnight.4 Stir soup and adjust seasonings.5 Serve in chilled clear glass bowls accompanied with raisins, walnuts, chives and sprigs of mint in small condiment bowls or spooned on top of soup.