Follow these simple steps to create your Mediterranean Chicken Pasta Salad:

1. Cook the Pasta: Bring a large pot of salted water to a boil. Add the rotini pasta and cook according to package instructions until al dente. Drain and rinse under cold water to stop cooking.
2. Combine Chicken and Vegetables: In a large mixing bowl, add the cooked chicken, cherry tomatoes, cucumber, red bell pepper, olives, feta cheese, red onion, and parsley.
3. Prepare the Dressing: In a small bowl, whisk together the olive oil, red wine vinegar, dried oregano, salt, and pepper.
4. Mix Everything Together: Add the cooled pasta to the bowl with the chicken and vegetables. Pour the dressing over the salad and toss everything together until well combined.
5. Taste and Adjust: Taste the salad and adjust seasoning if necessary, adding more salt or pepper according to your preference.
6. Chill the Salad: Let the salad sit for about 15-30 minutes in the refrigerator before serving. This helps the flavors meld together.
7. Serve: Give the salad a final toss and serve it fresh, garnished with additional parsley if desired.

With these quick steps, you can prepare this incredible Mediterranean Chicken Pasta Salad effortlessly.