01 -
Preheat oven to 350°F (175°C) and lightly coat a 9x13-inch baking dish with vegetable oil spray.
02 -
In a large mixing bowl, combine chicken breast chunks, drained corn, black beans, salsa, condensed cream of chicken soup, sour cream, 1 cup shredded cheddar cheese, and taco seasoning. Mix thoroughly to evenly distribute all ingredients.
03 -
Spread the chicken mixture evenly into the prepared baking dish.
04 -
Place the baking dish on the center rack and bake, uncovered, for 20 minutes.
05 -
Remove the baking dish from the oven. Evenly sprinkle remaining 1 cup shredded cheddar cheese over the casserole, then top with lightly crushed Nacho Cheese Doritos. Return to the oven and bake for an additional 10 minutes until cheese is melted and topping is golden.