01 - Prepare pasta according to package directions. Drain thoroughly, rinse under cold water to stop cooking process, and set aside to cool completely.
02 - If using meat, heat skillet over medium heat. Brown ground beef or turkey until fully cooked, breaking apart with spatula during cooking. Drain excess fat and allow to cool.
03 - In large mixing bowl, combine 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 incorporated.
05 - Pour prepared dressing over salad mixture. Toss thoroughly until all ingredients are evenly coated with dressing.
06 - Just before serving, fold in crushed tortilla chips and fresh cilantro to maintain optimal texture.
07 - Serve immediately chilled or at room temperature for best flavor and texture.