01 - Cook the macaroni according to package instructions until al dente. Drain and rinse under cold water to stop the cooking process. Set aside to cool.
02 - In a large mixing bowl, combine mayonnaise, sour cream, Dijon mustard, apple cider vinegar, sugar, salt, black pepper, and smoked paprika. Whisk until smooth and creamy.
03 - Add the cooled macaroni, celery, red bell pepper, red onion, and carrots to the bowl. Gently fold to combine and coat everything in the dressing.
04 - If desired, fold in the sweet pickle relish and chopped parsley for extra flavor and freshness.
05 - Cover and refrigerate for at least 1 hour before serving to allow flavors to meld.
06 - Stir once before serving. Adjust seasoning to taste if needed. Serve chilled.