Cook orzo al ' dente and drain. In a large bowl, put the cooked pasta, chopped parsley, sundried tomato, and scallions and toss. Add the salt and pepper to taste and drizzle olive oil, ½ the Parmesan cheese and toss well. Place in a serving bowl for a family style dinner or in separate bowls. Sprinkle with remaining Parmesan cheese. Recipe can easily be doubled or tripled for larger gatherings!