Preheat oven to 350°. Place walnuts on cookie sheet in a single layer in bake for 8 to 10 minutes checking frequently. Let cool.
Cook pasta as the package directs, drain and let cool completely. to make the dressing mix all ingredients in a large bowl, stirring with a whisk to blend.
Add pasta, chicken, cheese, celery, red onion, walnuts chives and parsley to the dressing. Toss gently to mix. Makes six servings.
If you buy walnuts in sealed packaging they can be stored in their original packaging . Or, open the bag transfer the walnuts to an airtight container to maintain freshness .keep walnuts in an airtight container for up to six months in the refrigerator and up to one year in the freezer