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Chicken Fajita Casserole

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This Chicken Fajita Casserole delivers all the bold, Tex-Mex flavors of traditional fajitas in an easy, one-pan baked dish. It’s creamy, cheesy, and loaded with seasoned chicken, peppers, and onions—perfect for busy weeknights or meal prep.

Ingredients

  • 2 cups cooked chicken breast, shredded or cubed
  • 1 red bell pepper, sliced
  • 1 green bell pepper, sliced
  • 1 yellow bell pepper, sliced
  • 1 medium onion, thinly sliced
  • 1 tbsp olive oil
  • 2 tbsp fajita seasoning (store-bought or homemade)
  • 4 oz cream cheese, softened
  • 1/2 cup sour cream
  • 1 cup shredded cheddar cheese
  • 1 cup shredded mozzarella or Monterey Jack cheese
  • Fresh cilantro, for garnish

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. In a skillet, heat olive oil over medium heat and sauté the sliced peppers and onions until tender.
  3. Add the cooked chicken and fajita seasoning, stirring until well coated and heated through. Remove from heat.
  4. In a bowl, mix cream cheese and sour cream until smooth.
  5. Spread half of the cream cheese mixture into the bottom of a greased 9×13-inch baking dish.
  6. Layer the chicken and pepper mixture on top of the cream cheese base.
  7. Spread the remaining cream cheese mixture evenly over the chicken and vegetables.
  8. Top with shredded cheddar and mozzarella cheese.
  9. Bake uncovered for 20–25 minutes, or until the cheese is melted and bubbly.
  10. Garnish with fresh cilantro and serve hot.

Notes

  • Use rotisserie chicken for faster prep and added flavor.
  • Swap in boneless chicken thighs for a juicier texture.
  • Make it spicier with jalapeños or hot sauce.
  • To lighten it up, use Greek yogurt instead of sour cream and cream cheese.
  • This dish is great for meal prep and reheats well.
  • Serve with rice, tortillas, or cauliflower rice for a low-carb option.

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