01 -
Preheat oven to 400°F. Add diced onion, bell pepper, uncooked rice, fajita seasoning, and optional cayenne pepper to a 9x13 inch baking dish and stir to combine.
02 -
In a separate bowl or measuring cup, whisk together chicken broth, green chilies, tomato paste, and olive oil until well combined.
03 -
Add the broth mixture to the baking dish and stir to combine with the rice mixture. Add shredded chicken, black beans, and corn to the dish and stir until well combined.
04 -
Cover the baking dish tightly with aluminum foil and bake for 65-70 minutes, or until all the liquid is absorbed.
05 -
Remove the dish from the oven and discard the aluminum foil. Sprinkle evenly with shredded cheese.
06 -
Return the baking dish to the oven and bake uncovered for 5-10 minutes, or until the cheese is melted and slightly golden.
07 -
Remove from the oven and allow the casserole to cool for 5-10 minutes. Serve with fresh cilantro, green onion, salsa, or avocado, if desired.