Method
Prepare pasta according to package directions.
While pasta is cooking, combine tuna, beans, onion, parsley and olives in mixing bowl.
In a small bowl, whisk together oil, mustard, vinegar, pepper, and salt to taste.
When pasta is done, drain well and toss with bean mixture. Pour vinaigrette over pasta and toss well. Spoon cheese over pasta and toss gently.
Refrigerate and serve cold.
Yields: 4 servings.