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Chicken Fajita Casserole Recipe

4.9 from 146 reviews

This Chicken Fajita Casserole is a delicious and easy-to-make one-dish meal combining tender shredded chicken, flavorful fajita seasoning, instant rice, creamy soup, and melted Mexican cheese. Perfect for busy weeknights, it bakes to a comforting, cheesy casserole with the colorful flavors of fajitas all in a convenient, hearty dish.

Ingredients

Scale

Main Ingredients

  • 4 cups shredded cooked chicken (about 2 large breasts)
  • 2 cups instant rice
  • 1 (10.5-ounce) can cream of chicken soup
  • 1 cup sour cream
  • 1 cup frozen diced onion and bell pepper blend
  • 1 (10-ounce) can diced tomatoes with chilies (undrained; like Rotel)
  • 1 1/2 cups chicken broth
  • 1 (1.12-ounce) packet fajita seasoning (I prefer McCormick)
  • 1 (8-ounce) package shredded Mexican blend cheese (about 2 cups)

Instructions

  1. Preheat Oven: Preheat your oven to 350°F (175°C). Lightly spray a 9×13-inch baking dish with nonstick cooking spray to prevent sticking.
  2. Mix Ingredients: In a large bowl, thoroughly combine the shredded cooked chicken, uncooked instant rice, cream of chicken soup, sour cream, frozen diced onion and bell pepper blend, undrained diced tomatoes with chilies, chicken broth, fajita seasoning, and about half of the shredded Mexican blend cheese. Stir until all components are evenly distributed.
  3. Fill Baking Dish: Pour the mixture into the prepared baking dish and spread it out evenly to ensure even cooking. Wrap the baking dish tightly with aluminum foil to lock in moisture while baking.
  4. Bake Casserole: Place the wrapped dish in the oven and bake for 35 to 45 minutes, or until the rice is tender and the casserole is bubbly.
  5. Add Cheese Topping: Carefully remove the casserole from the oven, unwrap the foil, and sprinkle the remaining cheese evenly over the top of the casserole.
  6. Melt Cheese: Return the casserole to the oven, uncovered, and bake for an additional 5 to 10 minutes or until the cheese is fully melted and slightly golden.

Notes

  • You can substitute cooked chicken with rotisserie chicken for quicker preparation.
  • If you prefer spicier flavors, add extra diced jalapeños or hot sauce to the mixture.
  • Instant rice cooks faster, which helps reduce total baking time. If substituting with regular rice, increase cooking time and liquid accordingly.
  • Leftovers keep well refrigerated for up to 3 days and reheat nicely in the microwave or oven.
  • For a lower-fat version, use reduced-fat sour cream and cheese.

Keywords: chicken fajita casserole, easy chicken casserole, Tex-Mex casserole, baked chicken casserole, fajita seasoning recipe, one-dish meal