Heat a cast iron skillet to medium heat.
Place the chicken breasts into a resealable bag and using a mallet or rolling pin pound the chicken breasts to about ½ an inch thick.
Using paper towels, pat the chicken dry and season both sides with salt and pepper.
Add oil to hot pan and cook about 7 minutes on each side or until the internal temperature reads 165 degrees F.
Remove the chicken to a plate and cover with foil allowing it to rest while you assemble your salad.
Chop your romaine lettuce into bite-sized pieces and place into a large serving bowl.
Assemble your salad by arranging the corn, black beans, tomatoes, bell pepper, avocado, and cheese around the perimeter of the bowl.
Dice the chicken into ½ inch, bite-sized cubes, and place into the center of the salad bowl. Sprinkle with chopped cilantro and tortilla strips and set aside.
In a measuring cup with a pour spout, add the ranch and taco seasoning and whisk to combine.
Drizzle your dressing over the salad, toss and serve immediately.