Why Make This Recipe
Chicken Fajita Casserole is a delicious and easy dish that combines the flavors of fajitas in a convenient casserole form. It’s a great meal for busy weeknights as it’s quick to prepare, and everyone in the family will love it. Plus, it’s a one-dish meal that saves you from doing extra dishes!
How to Make Chicken Fajita Casserole
Ingredients:
- 1 lb chicken breast, diced
- 1 bell pepper, sliced
- 1 onion, sliced
- 1 can black beans, drained and rinsed
- 1 cup corn, frozen or canned
- 1 packet fajita seasoning
- 1 cup shredded cheese (cheddar or Mexican blend)
- 1 can diced tomatoes with green chilies
- Salt and pepper to taste
- 1 tablespoon olive oil
Directions:
- Preheat your oven to 350°F (175°C).
- In a large skillet, heat olive oil over medium heat. Add the diced chicken breast and cook until browned.
- Add the sliced bell pepper and onion to the skillet and sauté until softened.
- Stir in the black beans, corn, diced tomatoes, and fajita seasoning. Mix well and cook for another 5 minutes.
- Transfer the mixture to a baking dish and spread it out evenly.
- Top with shredded cheese.
- Bake in the preheated oven for 20-25 minutes, or until the cheese is melted and bubbly.
- Remove from the oven, let cool slightly, and serve warm.
How to Serve Chicken Fajita Casserole
Serve the Chicken Fajita Casserole hot, garnished with fresh cilantro, sliced avocado, or a dollop of sour cream if you like. This dish pairs well with tortilla chips or warm tortillas on the side.
How to Store Chicken Fajita Casserole
If you have leftovers, allow the casserole to cool completely. Cover it tightly with plastic wrap or transfer it to an airtight container. It can be stored in the refrigerator for up to 3-4 days. You can also freeze it for longer storage—just make sure to use a freezer-safe container.
Tips to Make Chicken Fajita Casserole
- Feel free to customize the vegetables. You can add zucchini, mushrooms, or any other veggies you like.
- For extra flavor, marinate the chicken for 30 minutes in lime juice and spices before cooking.
- If you like it spicy, add some sliced jalapeños or use spicy diced tomatoes.
Variation
You can easily turn this into a vegetarian dish by substituting the chicken with extra beans or veggies. Just keep everything else the same, and you’ll have a tasty vegetarian Casserole!
FAQs
1. Can I use leftovers from fajitas to make this casserole?
Yes, leftover fajita ingredients work great! Just chop them up and mix them into the casserole.
2. Is this recipe kid-friendly?
Absolutely! The flavors are mild, and kids usually enjoy cheesy, meaty dishes like this one.
3. Can I make this casserole ahead of time?
Yes, you can prepare it in advance and either bake it later or store it in the fridge before baking. Just add a few extra minutes to the baking time if it’s cold from the fridge.

Chicken Fajita Casserole
Ingredients
Equipment
Method
- Sauté sliced bell peppers and onion in olive oil in a large skillet until they are tender-crisp.
- In a large bowl, combine the cooked shredded chicken, sautéed vegetables, fajita seasoning, softened cream cheese, and chicken broth.
- Transfer the mixture evenly into a greased 9x13 inch baking dish.
- Evenly sprinkle the shredded cheese over the chicken mixture.
- Bake the casserole at 375°F (190°C) for 20-25 minutes, or until it is bubbly and the cheese is melted and golden.
- If desired, garnish the casserole with crushed tortilla chips before serving hot.