Instructions:

  1. Preheat Oven:
    • Preheat your oven to 375°F (190°C).
  2. Cook the Chicken:
    • Heat olive oil in a large skillet over medium heat.
    • Add the diced chicken and cook until no longer pink in the center, about 5-7 minutes. Season with salt and pepper.
    • Remove the chicken from the skillet and set aside.
  3. Sauté Vegetables:
    • In the same skillet, add the sliced onion, bell pepper, and mushrooms (if using). Cook until the vegetables are tender, about 5-7 minutes.
    • Add the minced garlic and cook for another minute.
  4. Combine Ingredients:
    • Return the chicken to the skillet. Stir in the fajita seasoning mix, diced tomatoes, and corn. Cook for an additional 2-3 minutes until everything is well combined and heated through.
  5. Assemble the Casserole:
    • In a large bowl, combine the cooked rice and the chicken mixture. Mix well.
    • Transfer the mixture to a greased 9×13-inch baking dish.
    • Spread the sour cream evenly over the top of the mixture.
    • Sprinkle the shredded cheddar cheese on top.
  6. Bake:
    • Bake in the preheated oven for 20-25 minutes, or until the cheese is melted and bubbly.
  7. Garnish and Serve:
    • Garnish with chopped fresh cilantro, if desired.
    • Serve hot.

This Chicken Fajita Casserole is a great way to enjoy the flavors of fajitas in an easy, baked dish. It’s perfect for a weeknight dinner and is sure to be a hit with the whole family!