01 -
Preheat oven to 350°F and lightly coat a 9x13-inch baking dish with non-stick cooking spray.
02 -
In a large mixing bowl, combine uncooked white rice, chicken broth, cream of chicken soup, sour cream, 1 cup of shredded cheddar cheese, garlic powder, onion powder, salt, and black pepper. Stir thoroughly until homogenous.
03 -
Gently fold in the cooked chicken breast until evenly distributed throughout the mixture.
04 -
Transfer the mixed ingredients into the prepared baking dish, spreading evenly for uniform cooking.
05 -
Cover the baking dish securely with aluminum foil and bake for 45 minutes to allow the rice to cook and flavors to meld.
06 -
Remove foil, sprinkle the remaining 1/2 cup shredded cheddar cheese evenly on top, and return dish to oven. Bake uncovered for an additional 10 to 15 minutes, until cheese is fully melted and bubbling.