Creamy Fajita Chicken Casserole


  • 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 (like Ro*Tel), undrained
  • 1 1/2 cups chicken broth
  • 1 (1.12-ounce) packet fajita seasoning
  • 2 cups shredded Mexican blend cheese, divided (about 8 ounces)
  • Nonstick cooking spray


  1. Preheat your oven to 350°F (175°C). Lightly spray a 9×13-inch casserole dish with nonstick cooking spray.
  2. In a large mixing bowl, combine the shredded cooked chicken, instant rice, cream of chicken soup, sour cream, frozen diced onion and bell pepper blend, diced tomatoes with chilies, chicken broth, fajita seasoning, and half of the shredded Mexican blend cheese. Mix until well combined.
  3. Pour the mixture into the prepared casserole dish, spreading it out evenly.
  4. Cover the casserole dish with aluminum foil and bake in the preheated oven for 35 minutes.
  5. After 35 minutes, remove the foil from the casserole dish and sprinkle the remaining shredded Mexican blend cheese evenly over the top.
  6. Return the uncovered casserole dish to the oven and bake for an additional 10 minutes, or until the cheese is melted and bubbly.
  7. Once done, remove the casserole from the oven and let it cool for a few minutes before serving.
  8. Serve the creamy Fajita Chicken Casserole hot, garnished with fresh cilantro or sliced green onions if desired.

Enjoy the flavorful combination of chicken, rice, vegetables, and cheese in this easy and comforting casserole dish!

Here are some tips to make your Creamy Fajita Chicken Casserole even more delightful:

  1. Marinate the Chicken: Before cooking, marinate the chicken in a mixture of fajita seasoning, lime juice, and olive oil for extra flavor. Let it marinate for at least 30 minutes or overnight in the refrigerator.
  2. Add Fresh Ingredients: While frozen diced onion and bell pepper blend are convenient, using fresh onions and bell peppers can add a burst of freshness and crunch to the casserole. Simply sauté them lightly before adding them to the casserole mixture.
  3. Customize the Spice Level: Adjust the amount of diced tomatoes with chilies (like Ro*Tel) according to your preference for spiciness. If you prefer a milder flavor, use less or substitute with regular diced tomatoes.
  4. Use Brown Rice: For a healthier option, swap out the instant white rice for instant brown rice. Brown rice adds nuttiness and extra fiber to the dish while still cooking quickly.
  5. Add Cream Cheese: For an even creamier texture, stir in some softened cream cheese into the casserole mixture before baking. It adds richness and depth of flavor to the dish.
  6. Incorporate Fresh Herbs: Add a sprinkle of freshly chopped cilantro or parsley on top of the casserole before serving. The vibrant colors and fresh flavor will enhance the overall presentation and taste.
  7. Top with Avocado: Serve the casserole with sliced avocado on the side or add chunks of avocado on top just before serving. The creamy texture and mild flavor of avocado complement the spicy and savory elements of the casserole.
  8. Serve with Sides: Accompany the Creamy Fajita Chicken Casserole with sides like tortilla chips, salsa, guacamole, or a side salad to create a complete and satisfying meal.
  9. Make it a One-Pot Meal: Cook the chicken, rice, and vegetables all in one skillet or pot for easier cleanup and to allow the flavors to meld together even more.
  10. Garnish Creatively: Sprinkle some crushed tortilla chips, sliced jalapeños, or a drizzle of hot sauce on top of the casserole before serving for added texture and flavor.

With these tips, your Creamy Fajita Chicken Casserole will be even more irresistible and sure to become a family favorite!

Here are some secrets to help you achieve just that:

  1. Properly Seasoned Chicken: Season the chicken generously with fajita seasoning, salt, and pepper before cooking. This ensures that every bite is flavorful and well-seasoned.
  2. Sauté the Vegetables: If using fresh onions and bell peppers, sauté them in a skillet with a bit of oil until they are slightly caramelized before adding them to the casserole. This adds depth of flavor and prevents them from being too crunchy in the finished dish.
  3. Homemade Fajita Seasoning: Consider making your own fajita seasoning blend using a combination of spices like chili powder, cumin, paprika, garlic powder, onion powder, and a pinch of cayenne pepper for heat. This allows you to control the flavor and adjust the spice level to your liking.
  4. Layering Flavors: Layering the flavors is key to a delicious casserole. Mix the cream of chicken soup, sour cream, and chicken broth with the fajita seasoning before adding it to the casserole dish. This ensures that every component is well-seasoned and contributes to the overall flavor profile.
  5. Quality Ingredients: Use high-quality ingredients, especially when it comes to the chicken broth, sour cream, and cheese. This can make a significant difference in the final taste and texture of the casserole.
  6. Prevent Dryness: To prevent the casserole from becoming dry, ensure that there is enough liquid in the mixture. If necessary, add a bit more chicken broth or sour cream to achieve the desired consistency.
  7. Even Cheese Distribution: When sprinkling cheese over the casserole, make sure to distribute it evenly to ensure that every bite has a cheesy topping. This helps to create a cohesive and flavorful dish.
  8. Rest Before Serving: Allow the casserole to rest for a few minutes after baking before serving. This allows the flavors to meld together and makes it easier to slice and serve.
  9. Garnish with Fresh Herbs: Garnish the finished casserole with freshly chopped cilantro or green onions for a burst of freshness and color. This adds a bright, herbaceous note to the dish.
  10. Adjust Spices to Taste: Taste the casserole mixture before baking and adjust the seasoning accordingly. Add more fajita seasoning, salt, or pepper to suit your personal preference.

By following these secrets, you’ll be well on your way to achieving the perfect Creamy Fajita Chicken Casserole that’s bursting with flavor and sure to be a hit with your family and friends!

Here are some commonly asked questions and their answers related to Creamy Fajita Chicken Casserole:

  1. Can I use regular long-grain rice instead of instant rice?
    • Yes, you can use regular long-grain rice instead of instant rice. However, you may need to adjust the cooking time and liquid ratio accordingly, as regular rice takes longer to cook.
  2. Can I use Greek yogurt instead of sour cream?
    • Yes, you can substitute Greek yogurt for sour cream in this recipe. It will add a tangy flavor and creaminess to the casserole.
  3. Can I make this casserole ahead of time?
    • Yes, you can assemble the casserole ahead of time and refrigerate it until ready to bake. Just be sure to cover it tightly with foil or plastic wrap to prevent it from drying out.
  4. Can I freeze Creamy Fajita Chicken Casserole?
    • Yes, you can freeze this casserole for future meals. Once baked, allow it to cool completely, then wrap it tightly in plastic wrap and aluminum foil before placing it in the freezer. To reheat, thaw it overnight in the refrigerator and bake in a preheated oven until heated through.
  5. What can I serve with Creamy Fajita Chicken Casserole?
    • This casserole pairs well with a variety of side dishes such as steamed vegetables, salad, tortilla chips, salsa, or guacamole.
  6. Can I add additional vegetables to the casserole?
    • Yes, feel free to customize the casserole by adding extra vegetables such as corn, black beans, or sliced mushrooms. Just be mindful of the additional moisture they may release and adjust the liquid accordingly.
  7. Can I use different types of cheese?
    • Yes, you can use different types of cheese to suit your taste preferences. Cheddar, Monterey Jack, or Pepper Jack cheese would all work well in this recipe.
  8. Is this recipe spicy?
    • The level of spiciness can be adjusted based on personal preference. If you prefer a milder flavor, you can use mild diced tomatoes with chilies or reduce the amount of fajita seasoning.
  9. Can I make this recipe dairy-free?
    • Yes, you can make this recipe dairy-free by using dairy-free alternatives for the cream of chicken soup, sour cream, and cheese.
  10. How long does it take to bake the casserole?
    • The casserole bakes covered for 35 minutes, then uncovered for an additional 10 minutes, or until heated through and the cheese is melted and bubbly.

These are some of the most commonly asked questions related to Creamy Fajita Chicken Casserole. If you have any other questions, feel free to ask!