- Preheat oven to 375°F (190°C).
- In a large skillet, heat a small amount of olive oil over medium heat. Add the sliced chicken and cook until lightly browned.
- Add the sliced bell peppers and onion to the skillet. Sprinkle with fajita seasoning and sauté until vegetables are tender and chicken is fully cooked, about 5–7 minutes.
- Transfer the chicken and vegetable mixture to a baking dish, spreading evenly.
- Sprinkle the shredded cheddar cheese evenly over the top.
- Bake uncovered for 25 minutes, or until the cheese is melted and bubbly.
- Let it rest for 5 minutes before serving.
Serving and Storage:
Serve hot directly from the oven. This casserole pairs well with rice, tortillas, or a fresh salad.
Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving.
Tips:
- Use a mix of red, yellow, and green bell peppers for a colorful presentation.
- Add sliced jalapeños for extra heat.
- For a lower-carb version, serve over cauliflower rice instead of regular rice or tortillas.
- Make ahead: Sauté the chicken and vegetables in advance and assemble the casserole just before baking.
Conclusion:
This Chicken Fajita Casserole is a quick, flavorful, and cheesy meal that captures the essence of fajitas without the fuss of assembling individual wraps.
Perfect for busy weeknights, it’s a crowd-pleaser that’s easy to make, customizable, and full of bold flavors.
FAQ:
Can I use pre-cooked chicken?
Yes! Simply sauté the vegetables, then layer with pre-cooked chicken and cheese. Bake until cheese is melted.
Can I make this gluten-free?
Absolutely! Just ensure your fajita seasoning and any added sauces are gluten-free.
Can I freeze this casserole?
Yes, assemble without baking, wrap tightly, and freeze for up to 2 months. Thaw in the refrigerator and bake as directed.
Can I use other types of cheese?
Yes, Monterey Jack, Pepper Jack, or a Mexican cheese blend works great for extra flavor.
Can I add beans or corn?
Yes! Black beans, pinto beans, or corn can be added for extra texture and protein.