Make the dressing: In a blender container of food processor bowl, combine all ingredients and process until nearly smooth. Chill for up to one day.

Make the salad: Prepare pasta as directed on label. Drain in colander and rinse under cold running water. Let drain foir 5 to 10 minutes. In a large bowl, combine pasta, chicken and dressing, tossing to coat, Garnish with tomatoes and basil or parsley. Refrigerate until serving time. Serve at room temperature or slightly chilled in a lettuce-lined dish.