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Easy Chicken Fajita Casserole Recipe – Cheesy One-Pan Tex-Mex Dinner

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Chicken Fajita Casserole is a colorful, easy, and incredibly flavorful baked dish loaded with seasoned chicken, vibrant peppers, onions, and melted cheese. A simple one-pan Tex-Mex dinner that can be served with or without tortillas.

  • Total Time: 1 hour 10 minutes
  • Yield: 8 servings 1x

Ingredients

Scale
  • Fajita Seasoning
  • 2 tsp smoked paprika
  • 2 tsp ground cumin
  • 2 tsp dried oregano
  • 1 tsp fajita seasoning
  • 1 tsp chili powder
  • 1 tsp garlic powder
  • 1/2 tsp red pepper flakes
  • 1/2 tsp salt
  • 1/2 tsp pepper
  • 1/2 tsp onion powder
  • Casserole Ingredients
  • 1.5 lbs chicken breast, cut into cubes or strips
  • Salt and pepper, to taste
  • 2 tbsp lime juice
  • 1 tbsp vegetable oil
  • 4 tbsp butter
  • 1/2 can black refried beans (optional)
  • 1 large onion, thinly sliced
  • 1 red bell pepper, thinly sliced
  • 1 green bell pepper, thinly sliced
  • 1 yellow bell pepper, thinly sliced
  • 1 orange bell pepper, thinly sliced
  • 1 jalapeno pepper, chopped (optional)
  • 1/2 cup sour cream (optional)
  • 2 cups shredded Mexican blend cheese
  • Optional Sides
  • Tortillas (flour or corn)
  • Rice
  • Tomatoes

Instructions

  1. Chicken: Chop chicken into bite-sized pieces. Season with salt and pepper, toss well, and refrigerate while preparing other ingredients.
  2. Fajita Seasoning: Combine all seasoning ingredients in a bowl and mix well. Set aside.
  3. Preheat: Preheat oven to 375°F (190°C).
  4. Spray a 9×13-inch baking dish with non-stick cooking spray.
  5. Layer chicken in the bottom of the dish. Drizzle with lime juice and vegetable oil, then sprinkle with half the seasoning. Add 2 tbsp butter in small pieces and toss to coat.
  6. Optionally drop spoonfuls of refried beans over the chicken.
  7. Add sliced peppers and onions on top. Sprinkle remaining seasoning and remaining butter pieces.
  8. Add dollops of sour cream if using, then top with shredded cheese.
  9. Cover tightly with foil and bake for 30 minutes.
  10. Remove foil and bake an additional 10–15 minutes to reduce moisture and finish cooking.
  11. Serve warm with tortillas or rice if desired.

Notes

  • Swap chicken with skirt steak or use a mix of both.
  • Serve with tortillas, rice, or as a low-carb dish on its own.
  • Adjust spice level by reducing chili flakes or jalapeno.
  • Great for meal prep and reheats well.
  • Author: lina
  • Prep Time: 25 minutes
  • Cook Time: 45 minutes
  • Category: Dinner
  • Method: Baked
  • Cuisine: Mexican, Tex-Mex

Nutrition

  • Serving Size: 1 portion
  • Calories: 520
  • Sugar: 5 g
  • Sodium: 720 mg
  • Fat: 28 g
  • Saturated Fat: 12 g
  • Unsaturated Fat: 14 g
  • Trans Fat: 0 g
  • Carbohydrates: 18 g
  • Fiber: 3 g
  • Protein: 42 g
  • Cholesterol: 135 mg

Find it online: https://easyrecipes.cookingtastes.com/easy-chicken-fajita-casserole-recipe-cheesy-one-pan-tex-mex-dinner/