Forget the boring, mayo-laden pasta salad and bring this fresh, hearty tortellini pasta salad to your next backyard barbecue! The perfect summer side dish, this antipasto pasta salad is loaded with cheesy tortellini, ripe grape tomatoes, artichoke hearts, salami, pepperoni, fresh mozzarella, smoked Gouda, green olives, black olives, and a tangy Italian vinaigrette.