- Cook pasta according to package directions, omitting salt.  Add green beans during the last 4 minutes of cooking.  Drain.  Transfer to large bowl. 
- Wisk oil, vinegar, thyme, mustard, lemon juice, honey, salt and pepper in medium bowl until smooth and well blended. 
- Pour dressing over pasta and green beans; toss to coat evenly.  Stir in walnuts and cheese.  Serve warm or cover and refrigerate until ready to serve.  (if serving cold, stir walnuts into salad just before serving.