Cook the pasta according to package instructions. Drain and rinse with cold water.
In a large mixing bowl toss cooled pasta, black olives, chopped bell peppers, halved cherry tomatoes.
Sprinkle dried oregano, pepper, and grated parmesan cheese. Pour Italian dressing over salad. Add a drizzle of oilve oil. Mix to blend.
Pour salad into a large serving bowl. Sprinkle with grated parmesan cheese as a decorative touch. Cover and refrigerate for at least two hours before serving.
Notes
Serving size is based on 24 side servings at a potluck, where there are usually a number of other side dish options. Adjust the number of servings, based on your event.If you enjoy finely chopped red onion, it's usually a good addition to this salad.