Cook pasta as package directs, rinse and drain. Add olives, tomatoes, onion, parsley or celery leaves. Mix. Prepare dressing by combining all ingredients. Mix dressing with pasta.
For a hot salad, do not rinse pasta under cold water, simply drain after cooking. Proceed as above.
Per serving - 412 calories, 11 g fat (32% calories from fat), 9 g protein, 42 g carbohydrate, 5 g fiber, 0 mg cholesterol, 198 mg sodium