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 gram fat (32% calories from fat), 9 gram protein, 42 gram carbohydrate, 5 gram fiber, 0 milligram cholesterol, 198 milligram sodium