Combine cooled pasta, celery, onion, bell pepper, peas, pickles, and most parsley in a large bowl.
Fold in the dressing until everything is evenly coated.
Chill for at least 30 minutes. Taste and adjust seasoning. Garnish with remaining parsley.
Notes
Variation: Stir in crispy bacon, chopped hard-boiled eggs, or grilled corn. For lighter dressing, swap half the mayo with Greek yogurt. Storage: Cover and refrigerate up to 3 days; refresh with a squeeze of lemon and a spoon of mayo before serving.This recipe is an original creation inspired by classic Gordon Ramsay's Macaroni Salad Recipe flavors. All ingredient ratios and instructions are independently developed.