01 -
Boil the ziti pasta according to package instructions until al dente. Rinse under cold water and drain thoroughly.
02 -
Combine finely diced red onion, red bell pepper, and celery in a large mixing bowl. Sprinkle with celery salt and celery seed, then add the diced pimientos with their liquid. Toss to coat evenly.
03 -
Grate the carrot and finely chop the grated pieces to ensure uniformity. Incorporate into the vegetable mixture.
04 -
Whisk together sour cream, mayonnaise, and white sugar until smooth.
05 -
If using, mince fresh parsley and add it to the vegetables. Toss gently to combine.
06 -
Allow the vegetable mixture to sit for approximately 15 minutes to meld flavors.
07 -
Pour the mayo and sour cream mixture over the vegetables and toss well. Add the cooked pasta and fold gently to coat. Adjust celery salt seasoning to taste.
08 -
Fold in the finely diced cheddar cheese ensuring even distribution throughout.
09 -
Serve immediately or cover and refrigerate for 4 to 6 hours, or overnight, to enhance flavors.