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 g fat (32% calories from fat), 9 g protein, 49 g carbohydrate, 6 g fiber, 0 mg cholesterol, 177 mg sodium