Fill a large pot with salted water. Bring the water to a boil.
Add the rotini pasta.
Cook the pasta according to the package directions until tender.
Drain the pasta in a colander. Rinse the pasta under cold water until cooled. Drain the pasta well.
In a large skillet, heat 1 tablespoon olive oil over medium heat.
Add the chicken and 1 tablespoon fajita seasoning.
Cook the chicken for 6 to 8 minutes, stirring often, until cooked through.
Transfer the chicken to a plate. Let the chicken cool.
Add the red bell pepper, yellow bell pepper, and red onion to the same skillet.
Cook for 3 to 4 minutes, stirring often, until slightly softened but still crisp. Let the vegetables cool.
In a large mixing bowl, add the cooled pasta, chicken, bell peppers, red onion, black beans, corn, cherry tomatoes, and cilantro.
In a small mixing bowl, add the Greek yogurt, light mayonnaise, lime juice, olive oil, fajita seasoning, garlic powder, chili powder, salt, and black pepper.
Using a wire whisk, mix the dressing until smooth.
Pour the dressing over the pasta mixture. Toss until everything is evenly coated.
Cover the bowl. Refrigerate for at least 30 minutes.
Stir before serving.
Notes
Tips and Tricks
Cool the chicken before mixing - Warm chicken can loosen the dressing and soften the vegetables.Stir before serving - The dressing can settle while the salad chills. Stirring helps coat the pasta again.Taste after chilling - Cold pasta can soften the taste of seasoning. Add a small pinch of salt or a squeeze of lime if needed.
Storing
Store in the Refrigerator - Place the pasta salad in an airtight container and refrigerate for up to 3 days.Stir Before Serving - Stir the pasta salad before serving to coat the ingredients with the dressing again.