Pepperoni pasta salad is a delicious and easy-to-make dish that is perfect for summer picnics and potlucks. To make this salad, you will need cooked pasta, sliced pepperoni, diced bell peppers, sliced black olives, diced red onion, and Italian dressing. Combine all of the ingredients in a large bowl and toss to coat with the dressing. Chill the salad in the refrigerator for at least an hour before serving to allow the flavors to meld together. Serve cold and enjoy!