Cook pasta as package directs, rinse, drain and place in a mixing bowl. Add olives, tomatoes, onion and parsley. Prepare the dressing by mixing all ingredients. Pour the dressing over the pasta ingredients and mix thoroughly. Serve room temperature of chilled.
Per serving - 348 calories, 12 gram fat (32% calories from fat), 9 gram protein, 49 gram carbohydrate, 6 gram fiber, 0 milligram cholesterol, 177 milligram sodium