Cold Italian Pasta Salad is a colorful and flavorful dish that’s perfect for potlucks and summer meals. Tender rotini is tossed with roasted peppers, mozzarella, pepperoni, and a tangy vinaigrette that ties it all together. It’s a simple yet satisfying recipe that can be made ahead for easy entertaining. With its bold flavors and fresh ingredients, this pasta salad is a crowd-pleaser every time!