Rotini pasta salad is a versatile and popular dish that can be used for various occassions like Barbecues, Picnics, Potlucks, and Parties. Rotini pasta salad can be the main course by adding protein such as grilled chicken, shrimp, or tofu. Experiment with different ingredients like vegetables, cheese, herbs, dressings, and proteins to create unique variations of rotini pasta salad that suit your taste preferences.