01 - Boil pasta according to package directions until al dente. Drain thoroughly and rinse under cold running water to stop cooking process. Set aside to cool completely.
02 - Brown ground beef or turkey in skillet over medium heat, breaking apart with spatula until fully cooked through. Drain excess fat and transfer to plate to cool.
03 - In large mixing bowl, add cooled pasta, cooked meat (if using), cherry tomatoes, black beans, corn, red onion, bell pepper, lettuce, shredded cheese, and black olives.
04 - Whisk together sour cream, mayonnaise, taco seasoning, lime juice, salt, and pepper in small bowl until completely smooth and well combined.
05 - Pour dressing over salad mixture. Toss gently with large spoon until all ingredients are evenly coated with creamy dressing.
06 - Just before serving, fold in crushed tortilla chips and fresh cilantro to maintain optimal texture and freshness.
07 - Serve immediately chilled or at room temperature. Do not refrigerate with tortilla chips added.