1Combine mayonnaise, red wine vinegar, Italian dressing mix, garlic powder, crushed red pepper flakes, salt, black pepper, and pepperoncini juice in a jar.
2Shake the jar to mix the dressing and refrigerate.
3Boil a pot of salted water and cook tortellini according to package directions.
4Chop the red onion, cherry tomatoes, and salami.
5Drain the pepperoncini and chop the crispy bacon.
6Combine the cooked tortellini, red onion, cherry tomatoes, sliced pepperoncini, chopped salami, chopped bacon, and grated parmesan cheese in a large bowl.
7Pour the dressing over the ingredients and mix well.