Instructions

  1. Cook macaroni according to package directions; drain and transfer to a large bowl.
  2. In a medium bowl, whisk together mayonnaise, vinegar, mustard and garlic powder; stir mixture into cooked macaroni.
  3. Fold in celery, red onion and parsley.
  4. Season to taste with salt and black pepper.
  5. Serve warm or chilled.
  6. Yields about 2/3 cup per serving.