Chicken Fajita Casserole

Looking for a flavorful twist to your dinner lineup? Look no further than this mouthwatering Chicken Fajita Casserole! Packed with juicy chicken, vibrant bell peppers, savory spices, and gooey melted cheese, this easy-to-make dish is sure to become a family favorite. Whether you’re hosting a dinner party or simply craving some Tex-Mex comfort food, this recipe ticks all the boxes. Let’s dive into how to whip up this culinary delight in your own kitchen!


  • 1 1/2 lbs chicken breast, thinly sliced
  • 1 tablespoon olive oil
  • 1 red bell pepper, sliced
  • 1 green bell pepper, sliced
  • 1 yellow bell pepper, sliced
  • 1 onion, thinly sliced
  • 2 teaspoons chili powder
  • 1 teaspoon cumin
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon paprika
  • Salt and pepper to taste
  • 1 cup cooked rice
  • 1 can (15 oz) black beans, rinsed and drained
  • 1 cup corn kernels (fresh, canned, or thawed if frozen)
  • 1 cup salsa
  • 1 1/2 cups shredded cheddar cheese
  • Fresh cilantro, for garnish
  • Sour cream, for serving


  1. Preheat your oven to 375°F (190°C).
  2. Cook the chicken and vegetables: Heat olive oil in a large skillet over medium-high heat. Add chicken, bell peppers, and onion. Season with chili powder, cumin, garlic powder, paprika, salt, and pepper. Cook until chicken is browned and vegetables are tender.
  3. Combine: In a large bowl, mix the cooked chicken and vegetables with cooked rice, black beans, corn, and salsa.
  4. Assemble the casserole: Transfer the mixture to a greased 9×13 inch baking dish. Sprinkle shredded cheddar cheese evenly over the top.
  5. Bake: Place the dish in the preheated oven and bake for 20-25 minutes, or until the cheese is melted and bubbly.
  6. Garnish and serve: Once baked, garnish with fresh cilantro. Serve hot with a dollop of sour cream on top.

Nutritional Information:

  • Prep Time: 20 minutes
  • Cooking Time: 45 minutes
  • Total Time: 1 hour 5 minutes
  • Calories: 450 kcal per serving
  • Servings: 6 servings

Serving and Storage Tips:

  1. Serve with Style: Present your Chicken Fajita Casserole with flair by garnishing it with freshly chopped cilantro and a dollop of sour cream. The vibrant colors and enticing aroma will make it an irresistible centerpiece on your dining table.
  2. Pairing Suggestions: Complement the bold flavors of the casserole with sides like crispy tortilla chips, creamy guacamole, or a refreshing side salad drizzled with lime vinaigrette. These accompaniments add depth to your meal and enhance the overall dining experience.
  3. Customize to Taste: Feel free to personalize your casserole by adding toppings such as sliced avocado, diced tomatoes, or jalapeños for an extra kick of heat. Let your creativity shine and tailor the dish to suit your preferences and dietary requirements.
  4. Leftover Love: If you find yourself with leftovers, fear not! Chicken Fajita Casserole reheats beautifully and makes for a satisfying lunch or dinner the next day. Simply store any remaining portions in an airtight container in the refrigerator for up to 3 days.
  5. Freeze for Later: To extend the shelf life, you can also freeze the casserole for future enjoyment. After baking, allow it to cool completely, then portion it into individual servings and wrap tightly in plastic wrap or aluminum foil. Place the wrapped portions in a freezer-safe container or bag and label with the date. Frozen casseroles can be stored for up to 3 months. When ready to eat, thaw overnight in the refrigerator before reheating in the oven or microwave.
  6. Reheating Recommendations: To reheat the casserole, preheat your oven to 350°F (175°C) and place the desired portion in an oven-safe dish. Cover with foil to prevent drying out and bake for 20-25 minutes, or until heated through. Alternatively, you can microwave individual servings on high for 2-3 minutes, stirring halfway through, until warmed to your liking.


  1. Vegetarian Twist: For a meatless option, omit the chicken and double up on the beans or add extra veggies like mushrooms, zucchini, or spinach. You can also swap the chicken broth with vegetable broth for added flavor.
  2. Spicy Kick: If you love heat, kick up the spice level by adding diced jalapeños or a pinch of cayenne pepper to the vegetable mixture. For an extra fiery twist, drizzle some hot sauce over the finished casserole before serving.
  3. Low-Carb Option: To make a low-carb version, substitute the rice with cauliflower rice or riced broccoli. This swap reduces the carb content while still delivering all the delicious flavors of the original recipe.
  4. Tex-Mex Fusion: Experiment with different cheese blends like Monterey Jack, pepper jack, or a Mexican cheese blend for a unique Tex-Mex flavor profile. You can also add a layer of crushed tortilla chips or corn tortillas to the bottom of the baking dish for added texture.
  5. Protein Variation: Switch up the protein by using cooked ground beef, turkey, or even shrimp instead of chicken. Season the protein with taco seasoning for a bold flavor boost.
  6. Grilled Option: Take your casserole to the next level by grilling the chicken and vegetables before assembling the dish. The charred smokiness from the grill adds an extra layer of depth to the flavors.
  7. Breakfast Twist: Transform this recipe into a hearty breakfast casserole by adding beaten eggs to the mixture before baking. Top with avocado slices, diced tomatoes, and a sprinkle of crumbled bacon for a satisfying morning meal.
  8. Gluten-Free Adaptation: Ensure your casserole is gluten-free by using certified gluten-free ingredients such as corn tortillas or tortilla chips instead of regular flour tortillas. Double-check the labels on packaged ingredients to avoid any hidden gluten.
  9. Creamy Addition: For a creamier texture, mix in a dollop of sour cream or Greek yogurt with the salsa before adding it to the casserole mixture. This adds richness and a tangy flavor that complements the other ingredients perfectly.
  10. Personalized Toppings: Encourage creativity by setting up a DIY topping bar with options like sliced avocado, diced tomatoes, chopped green onions, or pickled jalapeños. Let each person customize their portion to suit their taste preferences.


  1. Can I use boneless, skinless chicken thighs instead of chicken breast? Absolutely! Chicken thighs work well in this recipe and offer a slightly richer flavor. Just ensure they are thinly sliced for even cooking.
  2. Is it possible to make this casserole ahead of time? Yes, you can assemble the casserole ahead of time and refrigerate it, covered, for up to 24 hours before baking. This makes it convenient for meal prep or entertaining.
  3. I’m on a keto diet. Can I still enjoy this recipe? Certainly! To make it keto-friendly, replace the rice with cauliflower rice and ensure the salsa and other ingredients are low in carbs or homemade without added sugars.
  4. Can I freeze the casserole for later? Absolutely! Once baked, allow the casserole to cool completely, then wrap it tightly in plastic wrap or aluminum foil and freeze for up to 3 months. Thaw overnight in the refrigerator before reheating.
  5. What can I substitute for bell peppers if I’m not a fan? Feel free to swap the bell peppers with other veggies like mushrooms, broccoli, or snap peas. Customize the recipe to suit your taste preferences.
  6. Can I make this casserole dairy-free? Yes, you can use dairy-free cheese alternatives or simply omit the cheese altogether. The dish will still be flavorful and satisfying.
  7. Do I need to precook the rice before adding it to the casserole? Yes, it’s best to use cooked rice for this recipe. You can use leftover rice or cook it according to package instructions before mixing it with the other ingredients.
  8. Is there a way to reduce the sodium content of this dish? You can opt for low-sodium versions of ingredients like canned black beans and salsa, and adjust the amount of salt added to the dish according to your taste preferences.

With its tantalizing blend of flavors and simple preparation, Chicken Fajita Casserole is the perfect solution for busy weeknights or casual gatherings. Impress your loved ones with this satisfying dish that brings together the essence of Tex-Mex cuisine in every bite. So, why wait? Gather your ingredients and treat yourself to a culinary adventure that’s as easy as it is delicious!