Creating the perfect Southwestern Chicken Salad is simple when you follow these steps:

1. Season Chicken: In a bowl, combine olive oil, chili powder, cumin, garlic powder, salt, and pepper. Coat the chicken breasts in the mixture.
2. Cook Chicken: Heat a grill pan over medium-high heat. Cook the chicken for 6-7 minutes on each side, or until fully cooked. Remove from heat and let it rest.
3. Prepare Dressing: In a small bowl, whisk together lime juice, olive oil, salt, and pepper. Set aside.
4. Chop Vegetables: While the chicken is cooking, chop the salad greens, cherry tomatoes, avocado, and red onion.
5. Combine Salad: In a large bowl, mix the salad greens, cherry tomatoes, black beans, corn, avocado, red onion, and cilantro.
6. Slice Chicken: After resting, slice the grilled chicken into strips.
7. Assemble Salad: Top the salad mixture with sliced chicken.
8. Drizzle Dressing: Pour the lime dressing over the salad and toss gently to combine.
9. Serve: Divide the salad into bowls or plates and enjoy immediately.

By following these straightforward steps, you can create an incredible Southwestern Chicken Salad that will delight your taste buds.