Step 1: Poach or Prepare Chicken: If starting with raw chicken, gently poach chicken breasts in simmering water until cooked through (about 20-25 minutes). Alternatively, use leftover cooked chicken or rotisserie chicken for convenience. Let the chicken cool completely before shredding or dicing.
Step 2: Combine Wet Ingredients: In a medium mixing bowl, whisk together the mayonnaise, sour cream, apple cider vinegar, and Dijon mustard until smooth and well combined. This creates the creamy, tangy base of the dressing.
Step 3: Incorporate Fresh Herbs: Add the chopped fresh dill, parsley, and chives to the dressing. Gently stir to distribute the herbs evenly throughout the mixture, infusing it with their fragrant flavors.
Step 4: Add Vegetables: Gently fold in the finely diced celery and minced red onion. Ensure the vegetables are evenly distributed throughout the dressing, contributing their refreshing crispness and subtle flavors.
Step 5: Combine Chicken and Dressing: Add the shredded or diced chicken to the bowl with the dressing and vegetables. Gently fold all the ingredients together until the chicken is evenly coated with the dressing and the mixture is well combined.
Step 6: Season to Taste: Season the chicken salad with salt and pepper to taste, adjusting the seasoning according to personal preference. Ensure seasoning is mixed in.
Step 7: Chill and Serve: Cover the bowl with plastic wrap and refrigerate for at least 30 minutes to allow the flavors to meld together. Serve chilled on croissants, lettuce cups, or with crackers.
For a spicier variation, add a pinch of red pepper flakes or a dash of hot sauce to the dressing. If sour cream is not available, plain Greek yogurt makes a good substitute. If fresh herbs are not available, dried herbs can be used (use about 1 teaspoon of each). Consider adding toasted pecans or walnuts for added crunch and flavor.