Making Old Southern Chicken Salad is simple when you follow these clear steps:

1. Cook the Chicken: If starting with raw chicken, boil or bake until fully cooked. Allow it to cool, then shred or dice.
2. Prepare the Vegetables: Chop the celery, grapes, and red onion into small pieces. If using parsley, chop it finely.
3. Mix the Dressing: In a large bowl, combine mayonnaise, sour cream, Dijon mustard, apple cider vinegar, garlic powder, salt, and pepper. Mix well until smooth.
4. Combine Ingredients: Add the shredded chicken, chopped vegetables, and parsley to the bowl with the dressing. Stir gently until everything is evenly coated.
5. Taste and Adjust: Taste the salad and adjust seasoning as needed. You may want to add more salt, pepper, or dressing based on your preference.
6. Chill: Cover the bowl with plastic wrap and refrigerate for at least 1 hour to allow the flavors to meld.
7. Serve: Once chilled, give the salad a good stir before serving.

These steps will guide you through creating this delicious Old Southern Chicken Salad that’s sure to become a favorite in your home!