01 -
Boil ziti pasta in a large pot of salted water following package instructions until al dente. Drain thoroughly and rinse with cold water to stop the cooking process.
02 -
Very finely dice red bell pepper, red onion, and celery. Add them to a large mixing bowl. Sprinkle with celery salt and celery seed and toss to combine. Stir in the diced pimientos along with their liquid.
03 -
Grate the carrot, then chop the grated pieces finely for even texture. Add to the bowl with other vegetables.
04 -
In a separate bowl, whisk together mayonnaise, sour cream, and white sugar until smooth. Add a pinch of celery salt and celery seed if desired for extra seasoning.
05 -
Finely mince fresh parsley, if using, and mix into the vegetables. Toss well to coat and let stand for 15 minutes to allow flavors to blend.
06 -
Toss the vegetable mixture with the prepared dressing. Add the cooled pasta and gently fold to coat everything evenly. Taste and adjust seasoning if necessary.
07 -
Cut cheddar cheese into very small cubes. Gently fold diced cheddar into the salad for even distribution.
08 -
Cover the salad and refrigerate for 4 to 6 hours, or overnight, for optimal flavor and texture. Serve chilled.