01 - Cook pasta according to package directions until al dente. Drain thoroughly, rinse under cold water to stop cooking process, and set aside in large bowl.
02 - In skillet over medium heat, brown ground beef or turkey until fully cooked, breaking apart with spatula. Drain excess fat and allow to cool slightly.
03 - Add cooked pasta, meat (if using), cherry tomatoes, black beans, corn, red onion, bell pepper, lettuce, cheese, and olives to large mixing bowl.
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 until all ingredients are evenly coated with creamy dressing.
06 - Fold in crushed tortilla chips and fresh cilantro immediately before serving to maintain optimal texture.
07 - Serve chilled or at room temperature. Best enjoyed within same day for optimal texture and flavor.