1Cook the rotini pasta according to the package instructions. Drain and let it cool.
In a large bowl, combine the cooked pasta, cherry tomatoes, cucumber, red onion, black olives, and mozzarella cheese.
Pour the Italian dressing over the salad and toss to coat evenly.
Chill the pasta salad in the refrigerator for at least 1 hour before serving.
Serve cold and enjoy your Classic Italian Pasta Salad!