01 -
Bring a large pot of water to a boil and cook the rotini pasta until al dente according to package instructions. Drain and rinse under cool water. Let well drain then transfer to a large mixing bowl.
02 -
Cube the mozzarella cheese and slice the pepperoni into 1-inch pieces. Add both to the cooled pasta in the bowl.
03 -
Slice the grape tomatoes in half lengthwise and incorporate them into the pasta mixture.
04 -
Pour Italian dressing over the pasta and ingredients, adjusting the quantity to taste. Stir thoroughly to combine.
05 -
Sprinkle the shredded Parmesan cheese on top and give the salad another good stir to evenly distribute.
06 -
Cover the bowl with plastic wrap or a fitted lid and refrigerate for at least 2 hours to allow flavors to meld before serving.