
Step 1 · Mix Dressing
In a large bowl, combine the mayonnaise, vinegar, mustard, ½ teaspoon salt, and ¼ teaspoon pepper; whisk until smooth.
Step 2 · Combine Ingredients
Add the chicken, celery, grapes, pecans, onion, and parsley and mix well. Season with more salt and pepper to taste.
Step 3 · Serve
Serve on toasted bread or lettuce cups, or with crackers. Chicken salad will keep for up to 5 days in the refrigerator.