Easy and Cheesy Chicken Fajita Casserole

Dinner in just an hour? Yes, please! This chicken fajita casserole is perfect for those nights when you want something delicious without spending all evening in the kitchen. It takes just minutes to prepare, and everything cooks all at once in the oven!

No need to boil water for rice or sear chicken on the stovetop. This dish comes together in one pan for easy assembly and cleanup!

This casserole is like taking your favorite fajita flavors and baking them together into one hearty, comforting dish. It combines tender chicken, colorful bell peppers, and gooey cheese, all baked together with rice in a delicious, creamy sauce. No need for extra side dishes; this casserole is an all-in-one meal!

Why You’ll Love This Recipe

Ingredients Needed For Iron Skillet Chicken Fajita Casserole

• 1 ½ pounds boneless skinless chicken breasts, sliced into thin strips
• 2 ½ tbsp fajita seasoning
• 1 tbsp olive oil
• 1 green bell pepper, sliced into strips
• 1 red bell pepper, sliced into strips
• 1 medium yellow onion, sliced into strips
• 1 ½ cups long-grain white rice
• 14 oz chicken broth
• 8 oz cheddar jack cheese, shredded
• fresh cilantro, for garnish

Step-by-Step Preparation With Pictures

1. Preheat the oven to 375° F.

2. In a large skillet or cast iron skillet, heat the olive oil over medium-high heat.

3. When the oil is already hot, add the chicken breast strips, sliced green and red bell peppers, and onions.

4. Then, add the fajita seasoning. Cook for a few minutes until the chicken is lightly browned and the veggies start to soften.

5. Add the rice to the pan and stir it into the mixture of chicken and veggies for a minute.

6. Pour in the chicken broth and give everything a good stir.

7. Cover the skillet with a cast iron lid or foil and bake in the preheated oven for 40 minutes.

8. Remove the skillet from the oven and give the casserole a good stir. Then, sprinkle the shredded cheese all over the top.

9. Return to the oven for another 5 minutes, until the cheese is melted and bubbly.

10. Finely chop your fresh cilantro. Set aside.

11. Transfer to a large bowl, a plate or serve on the skillet itself. Sprinkle with fresh chopped cilantro before serving. Enjoy your cheesy chicken fajita casserole!

Variation Ideas

This casserole has been a rotation in our home, and I’ve been making this again and again. However, I love experimenting with different flavors to keep things interesting. Here are some additions and tweaks I’ve tried that are proven and tested by my family!

• Spicy Kick: If you like it hot, add some jalapeño peppers, green chiles, or a dash of chili powder to the mix. It gives the casserole an extra kick.
• Different Cheeses: Instead of cheddar cheese, try using Monterey Jack cheese or mozzarella cheese for a different flavor profile. Each cheese melts differently and adds its unique taste.
• Low-Carb Option: Substitute the rice with cauliflower rice or slightly pre-cooked brown rice for a low-carb version. It’s a great way to enjoy this meal while keeping it lighter.
• Add Beans: Black beans or pinto beans can be a great addition to this casserole. Simply drain and rinse them before tossing them to your casserole. They add more protein and make the dish even heartier.
• Different Meats: Swap out the chicken breasts for boneless skinless chicken thighs or turkey slices for a different texture and flavor.

Serving Suggestions

This chicken fajita casserole with rice is delicious on its own, but there are plenty of ways to serve it and make it even better! Here are some great ideas for serving and pairing.

• With Sour Cream: Serve your casserole with a dollop of sour cream or cream cheese on top. It adds a creamy, tangy flavor that compliments the cheesy casserole perfectly.
• Avocado Slices: Fresh avocado slices or guacamole are also perfect to serve alongside. They add a rich, creamy texture.
• Tortilla Chips: Serve this with tortilla chips for a crunchy side. You can scoop the casserole with the chips for a fun twist!
• With a Side Salad: Pair this casserole with a fresh green salad or a fajita salad to balance out the richness of the dish. It adds a nice, refreshing crunch. It’s a also great way to add some extra veggies to your meal.
• Flour or Corn Tortillas: Warm up some corn or flour tortillas to make delicious fajita wraps.

Tips for Success

• Don’t Overcrowd the Pan: Make sure your skillet is large enough to hold all the ingredients without overcrowding. This ensures even cooking.
• Even Slicing: Slice the chicken and vegetables evenly. This ensures they cook at the same rate and gives your casserole a nice, uniform texture.
• Cover Tightly: When baking, don’t forget to cover the skillet to trap in the steam and ensure the rice cooks properly. Don’t skip this step!
• Rest Before Serving: After baking, let the casserole sit for a few minutes before serving. This helps the flavors meld together and makes it easier to serve.
• Check the Rice: If the rice isn’t fully cooked after 40 minutes, give the casserole a stir and bake for an additional 5-10 minutes. The amount of liquid absorbed can vary.

Storage

Store: Place any leftovers of the chicken fajita rice casserole in an airtight container and store in the fridge. It will keep well for up to 4 days. Just reheat in the microwave or oven until warmed through.

Freeze: This casserole also freezes well for up to 2 months. Just make sure it’s fully cooled before freezing. When you’re ready to eat, thaw overnight in the fridge and bake at 350° F until heated through.

One Last Thing

Whether you’re cooking for a busy family or just want a quick and delicious meal, this easy chicken fajita casserole is a lifesaver! This dish is a wonderful way to enjoy the flavors of chicken fajitas with minimal effort.

It’s easy, flavorful, and perfect for any night of the week. Plus, with its simple ingredients and straightforward preparation, you’ll want to make this cast iron chicken fajitas again and again!

Remember, you can always tweak it to suit your preferences! Whether you like it spicy or mild, with more veggies or extra cheese, this casserole is versatile and delicious.

Your Turn

If you make this easy chicken fajita casserole recipe, please take a moment to let me know how you liked it by leaving a rating and a comment below on the recipe card.

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