1 medium cucumber, 6 ounces (about 6 ounces, peeled, seeded and cut into 1/2-inch-thick slices)
2 tablespoons fresh mint leaves (or dill)
2 tablespoons fresh chives (chopped)
1 tablespoon fresh Italian parsley
1/4 cup extra-virgin olive oil
2 tablespoons plain yogurt
2 tablespoons White wine vinegar
1 teaspoon Sugar
  Salt and freshly ground black pepper (to taste)