Fajita Chicken Casserole is a delicious, comfort food dish that brings together the flavors of fajitas in a warm, cheesy casserole. Perfect for family dinners or potlucks, this meal is simple to prepare and is sure to please everyone at the table.

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Why Make This Recipe
This recipe is a fantastic choice for busy weeknights. It combines chicken, rice, and veggies all in one dish, making it both filling and nutritious. It’s also quick to prepare, and you can easily customize it to fit your taste. Plus, who doesn’t love a cheesy, flavorful casserole?
How to Make Fajita Chicken Casserole
Making Fajita Chicken Casserole is simple and straightforward. Follow these easy steps to create a dish your family will love.
Ingredients:
- 4 cups shredded cooked chicken (about 3 large breasts)
- 2 cups instant rice
- 1 can (10.5 oz) cream of chicken soup
- 1 cup sour cream
- 1 cup frozen diced onion and bell pepper blend
- 1 can (10 oz) diced tomatoes with chilies, undrained
- 1 1/2 cups chicken broth
- 1 packet (1.12 oz) fajita seasoning
- 1 bag (8 oz) shredded Mexican blend cheese (about 2 cups)
Directions:
- Preheat your oven to 350°F (175°C). Lightly spray a 9×13-inch casserole dish with nonstick cooking spray.
- In a large bowl, mix the shredded chicken, uncooked instant rice, cream of chicken soup, sour cream, frozen onion and bell pepper blend, diced tomatoes (with juice), chicken broth, fajita seasoning, and half of the shredded cheese. Stir everything together well.
- Pour the mixture into the prepared casserole dish, spreading it out evenly.
- Cover the dish with foil and bake for 35 minutes.
- After 35 minutes, remove the foil, sprinkle the remaining cheese on top, and bake for an additional 10 minutes until the cheese is melted and bubbly.
How to Serve Fajita Chicken Casserole
Serve Fajita Chicken Casserole hot from the oven. It makes a great meal on its own or can be paired with a side of salad or tortilla chips. Don’t forget to add some salsa or guacamole for extra flavor!
How to Store Fajita Chicken Casserole
To store leftovers, let the casserole cool completely. Then, cover it tightly with plastic wrap or aluminum foil and keep it in the refrigerator. It should last for about 3-4 days. You can also freeze it for up to 2 months. To reheat, simply warm it in the oven or microwave until heated through.
Tips to Make Fajita Chicken Casserole
- Use leftover rotisserie chicken for an even quicker preparation.
- Feel free to add other vegetables, like corn or black beans, for added nutrition and flavor.
- If you like it spicier, use hot diced tomatoes with chilies or add some sliced jalapeños.
Variation
You can easily swap out the chicken for cooked ground beef or turkey if you prefer. Just make sure to cook the meat before adding it to the casserole mix.
FAQs
Q: Can I use brown rice instead of instant rice?
A: Yes, but you will need to adjust the cooking time as brown rice takes longer to cook.
Q: Is this casserole freezer-friendly?
A: Absolutely! You can freeze it for up to 2 months.
Q: Can I make this casserole vegetarian?
A: Yes! Simply replace the chicken with a mix of your favorite beans and add extra veggies for a hearty vegetarian option.
Now you know how to make a flavorful Fajita Chicken Casserole that everyone will love! Enjoy cooking and sharing this delightful dish!

Fajita Chicken Casserole
Ingredients
Main Ingredients
- 4 cups shredded cooked chicken about 3 large breasts
- 2 cups instant rice
- 1 can (10.5 oz) cream of chicken soup
- 1 cup sour cream
- 1 cup frozen diced onion and bell pepper blend
- 1 can (10 oz) diced tomatoes with chilies undrained
- 1.5 cups chicken broth
- 1 packet (1.12 oz) fajita seasoning
- 1 bag (8 oz) shredded Mexican blend cheese about 2 cups
Instructions
Preparation
- Preheat your oven to 350°F (175°C). Lightly spray a 9×13-inch casserole dish with nonstick cooking spray.
- In a large bowl, mix the shredded chicken, uncooked instant rice, cream of chicken soup, sour cream, frozen onion and bell pepper blend, diced tomatoes (with juice), chicken broth, fajita seasoning, and half of the shredded cheese.
- Pour the mixture into the prepared casserole dish, spreading it out evenly.
Baking
- Cover the dish with foil and bake for 35 minutes.
- After 35 minutes, remove the foil, sprinkle the remaining cheese on top, and bake for an additional 10 minutes until the cheese is melted and bubbly.