Fajita chicken casserole is the perfect solution for those busy weekdays when you crave something delicious, quick, and bursting with flavor.

When it comes to Mexican cuisine, it’s all about the bold and vibrant flavors. What I adore about these dishes is their simplicity and the way they effortlessly bring together incredible flavors. Plus, most of them can be prepared in just a single pan! That means less time in the kitchen and more time enjoying a fantastic meal.

Fajita chicken casserole

Now, let’s talk about this mouthwatering fajita chicken casserole. It’s a true winner, combining shredded chicken, juicy tomatoes, vibrant bell peppers, and fragrant onions. And of course, we can’t forget about the cheesy goodness from the luscious Mexican cheese. To elevate the flavors even further, we’ll use fajita seasoning, which you can either whip up at home or easily find at your local grocery store.

Can you imagine the aroma already? Well, no need to wait any longer! Let’s dive right into this incredibly delicious recipe that will have your taste buds dancing with joy. Get ready for a delightful fajita chicken casserole that will become a new favorite in your kitchen!

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Fajita chicken casserole

  • Author: Olivia


Looking for a healthy yet delicious and comforting meal? Try out this Healthy Chicken Fajita Casserole recipe! This recipe is loaded with colorful bell peppers, tender chicken, and melted cheddar cheese, making it a flavorful and satisfying meal.


    • 1 tablespoon olive oil
    • 6 4 to 6 ounces each boneless skinless chicken thighs, or breasts cut into 1″ to 2″ pieces (680-907 g)
    • 4 bell peppers sliced (vary the colors to make it pretty!) (580 g)
    • 1 small onion sliced (110 g)
    • 1 recipe Taco Seasoning Mix or our Fajita Seasoning
    • 1 cup sour cream 240 g
  • 4 ounces of cream cheese softened (113 g)
  • 2 cups cheddar cheese grated (226 g)
  • Optional: garnish with avocado or guacamole sour cream, salsa. For spicy lovers add heat with hot sauce.


    • Preheat the oven to 350°F (175°C).
    • In a large skillet over medium heat, saute the chicken in olive oil until the chicken is cooked through. Remove from the skillet and set aside.
    • Add the onions and peppers to the same skillet and saute until they become tender.
    • Add the cooked chicken back to the skillet and stir in the taco seasoning, sour cream, and softened cream cheese. Mix well.
    • Transfer the mixture to a casserole dish and sprinkle with grated cheddar cheese.
    • Bake in the preheated oven for 20 minutes or until the cheese is bubbly.
  • Remove from the oven and serve hot, garnished with avocado or guacamole, sour cream, and salsa if desired.


To make this recipe even healthier, use low-fat or fat-free sour cream and cream cheese, and use reduced-fat cheddar cheese. You can use any color of bell peppers for this recipe, or a combination of different colors to make it more visually appealing. This recipe can be stored in the refrigerator for up to 3 days and reheated in the oven or microwave.

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