Pepperoni pasta salad is a delicious and easy-to-make dish that is perfect for any occasion. To make this salad, you will need the following ingredients: pasta, sliced pepperoni, diced bell peppers, diced red onion, sliced black olives, shredded mozzarella cheese, Italian dressing, and salt and pepper to taste. Begin by cooking the pasta according to the package instructions. Drain the pasta and rinse it under cold water to cool it down. In a large bowl, combine the cooked pasta, sliced pepperoni, diced bell peppers, diced red onion, sliced black olives, and shredded mozzarella cheese. Pour Italian dressing over the top and toss everything together until well combined. Season with salt and pepper to taste. Cover the bowl and refrigerate the salad for at least 30 minutes before serving. Enjoy!