– 1/2 cup sour cream – 1/2 cup mayonnaise – 1 Tbsp dried dill or 2 Tbsp fresh dill, finely chopped – 1/2 teaspoon onion powder – 1/2 teaspoon celery salt – 1/4 teaspoon garlic salt – 1/2 teaspoon dried parsley – black pepper to taste – 1 Tbsp apple cider vinegar