Gather your ingredients, along with a blender, and a large mixing bowl.
Prepare the dressing by adding the mayo, sour cream, chipotle pepper, vinegar and spices to the blender and process until fully emulsified. Set aside.
Into the mixing bowl, add the salad greens, corn, chicken, tomatoes and cilantro. Drizzle in a few tablespoons of dressing and toss together.
Add salad to a serving plate, top with avocado, and sprinkle with tortilla strips. Drizzle with additional dressing, if desired. Serve immediately.