German Cucumber Salad

German Cucumber Salad - Serves 6 2 large cucumbers, peeled and thily sliced 1 small onion, peeled and thinly sliced 3 small roma tomatoes, thinly sliced Dressing: 1⁄3 cup low-fat sour cream 1⁄4 teaspoon Dijon mustard 1 tablespoon white vinegar 2 tablespoons low-fat milk 1⁄2-3⁄4 teaspoon sugar 1 tablespoon chopped fresh parsley 2 tablespoons chopped fresh dill 1⁄4 teaspoon pepper 1⁄4 teaspoon salt, to taste Place the cucumbers, onion and tomatoes in a large bowl. Set aside. In a small bowl, whisk together all dressing ingredients. Pour over salad mixture.Toss to coat well. Chill at least 2 hours before serving