Let's cook.
Cook the rotini pasta according to package directions until al dente. Drain well and rinse with cold water to cool completely. Set aside.
In a large bowl, combine the cooled pasta, halved cherry tomatoes, and halved or quartered fresh mozzarella balls.
In a small bowl, whisk together the mayonnaise, red wine vinegar, minced garlic, chopped fresh basil, salt, and black pepper until smooth.
Pour the dressing over the pasta mixture and toss gently until all ingredients are evenly coated.
Serve immediately or chill in the refrigerator for at least 30 minutes to allow the flavors to meld. Stir before serving.
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