Fajita Chicken Casserole Recipe

AI-generated · Verified on Apr 24, 2026

8 servings
10 min prep
45 min cook
55 min total
Dinner Chicken Casserole
Fajita Chicken Casserole recipe

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About

A hearty, cheesy casserole packed with tender shredded chicken, instant rice, and bold fajita flavors. Easy to throw together and perfect for feeding a crowd.

Ingredients

  • 4 cups shredded cooked chicken (about 3 large breasts)
  • 2 cups instant rice (uncooked)
  • 10.5 oz cream of chicken soup (1 can)
  • 1 cup sour cream
  • 1 cup frozen diced onion and bell pepper blend
  • 1 oz diced tomatoes with chilies (1 can, undrained (such as Ro*Tel))
  • 1.5 cups chicken broth
  • 1.12 oz fajita seasoning (1 packet)
  • 2 cups shredded Mexican blend cheese (divided)

Equipment

  • 9x13 baking dish
  • large mixing bowl
  • aluminum foil
  • cooking spray

Steps

  1. 1

    Preheat Oven

    preheat 10 min

    Preheat your oven to 350°F. While the oven heats up, lightly spray a 9x13-inch baking dish with nonstick cooking spray and set aside.

  2. 2

    Mix the Casserole

    prep 5 min

    In a large bowl, combine the shredded chicken, uncooked instant rice, cream of chicken soup, sour cream, frozen onion and bell pepper blend, diced tomatoes with chilies, chicken broth, fajita seasoning, and 1 cup of the shredded cheese. Stir everything together until well combined.

  3. 3

    Fill and Cover

    prep 2 min

    Pour the mixture into the prepared baking dish and spread it out evenly. Cover tightly with aluminum foil.

  4. 4

    Bake Covered

    cook 35 min

    Bake covered at 350°F for 35 minutes, until the rice is tender and the mixture is bubbling around the edges. While this bakes, set aside the remaining 1 cup of cheese so it's ready for the next step.

  5. 5

    Add Cheese and Bake Uncovered

    cook 10 min

    Remove the foil and sprinkle the remaining 1 cup of shredded Mexican cheese evenly over the top. Return to the oven uncovered and bake for another 10 minutes, until the cheese is fully melted and lightly golden.

  6. 6

    Rest and Serve

    rest 5 min

    Remove the casserole from the oven and let it rest for 5 minutes before serving. This allows the rice to finish absorbing any remaining liquid and makes it easier to scoop.