Fajita Chicken Casserole

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Fajita Chicken Casserole is a comforting, flavorful dish that combines the bold flavors of classic fajitas with the ease of a baked casserole. Packed with shredded chicken, rice, vegetables, and Mexican spices, this one-pan meal is perfect for weeknight dinners, potlucks, or family gatherings. Topped with melted cheese, every bite delivers a satisfying blend of textures and flavors that will please both kids and adults.

This casserole brings together the convenience of pantry staples and the zest of fajita seasoning, creating a dish that tastes like it’s been slow-cooked for hours, even though it comes together quickly. It’s versatile, easy to prepare, and can be customized with additional vegetables or different cheeses to suit your taste.

Ingredients

  • 4 cups shredded cooked chicken (about 3 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
  • 1 ½ cups chicken broth
  • 1 (1.12-ounce) packet fajita seasoning
  • 1 (8-ounce) shredded Mexican blend cheese (about 2 cups)

Instructions

  1. Preheat your oven to 350°F (175°C) and lightly spray a 9×13-inch casserole dish with nonstick cooking spray.
  2. In a large bowl, combine shredded chicken, uncooked rice, cream of chicken soup, sour cream, frozen onion and bell pepper blend, diced tomatoes with chilies, chicken broth, fajita seasoning, and half of the shredded cheese. Mix thoroughly until all ingredients are well combined.
  3. Pour the mixture into the prepared casserole dish, spreading it evenly. Cover with aluminum foil and bake for 35 minutes.
  4. Remove the foil, sprinkle the remaining cheese over the top, and bake uncovered for an additional 10 minutes until the cheese is melted and bubbly.

Tips for the Perfect Casserole

  • Use freshly cooked chicken or rotisserie chicken for added flavor.
  • Instant rice is convenient, but you can use regular rice—just adjust the liquid and bake time accordingly.
  • Stir the mixture well to ensure the seasoning is evenly distributed.
  • Covering the casserole during the first bake helps cook the rice and keep the chicken moist.
  • Let the casserole rest for 5–10 minutes after baking to allow it to set slightly for easier serving.

Variations

  • Vegetable Boost: Add corn, black beans, or zucchini to increase the nutritional value.
  • Spicy Kick: Add extra diced jalapeños or a dash of hot sauce for more heat.
  • Cheese Options: Swap the Mexican blend for cheddar, Monterey Jack, or a combination of cheeses for different flavors.
  • Low Carb: Replace rice with cauliflower rice for a lighter version.

Serving Suggestions

  • Serve with a side of guacamole, salsa, or sour cream for added creaminess.
  • Pair with a fresh green salad or steamed vegetables to balance the richness.
  • Garnish with chopped cilantro or green onions for a burst of color and freshness.
  • Serve with warm tortillas or tortilla chips for a Tex-Mex-inspired meal.

Storage

  • Store leftovers in an airtight container in the refrigerator for up to 4 days.
  • Reheat in the microwave or oven until warmed through.
  • This casserole can also be frozen before baking—prepare the mixture in a freezer-safe dish, cover tightly, and freeze for up to 2 months. Bake from frozen, adding extra time to ensure it’s heated through.

Conclusion

Fajita Chicken Casserole is an easy, flavorful, and versatile dish that combines the essence of fajitas with the convenience of a baked meal. With tender chicken, seasoned rice, and melted cheese, this casserole is sure to become a family favorite. Its simplicity, adaptability, and comforting flavors make it a go-to option for busy nights or casual gatherings. Enjoy it fresh from the oven, and savor the delightful Tex-Mex flavors in every bite.

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