01 -
Soak the red onion in a bowl of ice water while you prepare the rest of the ingredients, ideally for 30 minutes.
02 -
In a large pot of salted boiling water, cook the macaroni according to the package directions. Drain and spread pasta out on a baking sheet to cool.
03 -
Thinly slice the celery and the bell pepper and set them aside.
04 -
In a large bowl, whisk together the Catalina dressing, mayonnaise, and dill pickle relish. Season with salt and pepper.
05 -
Drain the red onion and add it to the bowl along with the cooled pasta, celery, and bell pepper. Stir to combine and adjust seasoning as needed.
06 -
Chill the pasta salad until ready to serve. Enjoy!