Add the penne pasta to the boiling water and cook for 8-10 minutes, or until al dente.
Drain the pasta and rinse with cold water.
In a large bowl, combine the cooked penne, cherry tomatoes, olives, bell peppers, red onion, feta cheese, and Italian dressing. Gently toss to combine.
Refrigerate for at least 1 hour before serving.
Interesting Facts
This pasta salad is a great way to use up leftover vegetables.
You can also add cooked chicken, shrimp, or other proteins to make it a complete meal.