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This Chicken Fajitas Casserole brings all the vibrant flavors of classic fajitas into one comforting, cheesy dish. It’s a great way to enjoy tender chicken, crisp bell peppers, and melty cheddar melded together with savory fajita seasonings, perfect for a family dinner or a casual get-together.
The first time I made this casserole, it immediately became a hit in my house. It’s now part of our regular rotation when we want something flavorful and fuss-free.
Ingredients
- Cooked boneless skinless chicken breasts: four cups shredded for tender protein that soaks up flavors easily
- Olive oil: to sauté fresh vegetables bringing out their natural sweetness
- Green and red bell peppers: thinly sliced for vibrant color and a slight crunch, look for firm and glossy peppers
- Yellow onion: thinly sliced to add gentle warmth and sweetness, choose onions that feel heavy for their size
- Salt: for seasoning and balancing flavors
- Cream cheese: softened for a rich and creamy base, use full fat for best texture
- Shredded cheddar cheese: brings melty, sharp cheesy goodness, pick a good-quality block cheese for better melt
- Fajita seasoning mix: a blend of spices that adds smokiness and heat, make sure it’s fresh or homemade for strong flavor
- Fresh cilantro or parsley: to garnish and brighten the final dish
Instructions
- Preheat the Oven:
- Set your oven to 350 degrees Fahrenheit. Lightly grease a 9 by 13 inch baking dish with cooking spray to prevent sticking. Shred cooked chicken breasts and place them into a large mixing bowl. Keep this bowl aside for now.
- Sauté the Vegetables:
- Heat one tablespoon of olive oil in a skillet over medium high heat. Add the sliced green and red bell peppers along with the sliced onion. Sprinkle a quarter teaspoon of salt over the vegetables. Cook them for four to five minutes, stirring often, until they soften but still retain some texture.
- Combine Ingredients:
- Remove the skillet from the heat. Pour the sautéed vegetables into the bowl with shredded chicken. In a separate large bowl combine the softened cream cheese, half of the shredded cheddar cheese, one and a half tablespoons of fajita seasoning, salt, and freshly ground black pepper to taste. Stir everything together until fully blended.
- Mix Everything Together:
- Add the cream cheese mixture into the bowl with chicken and peppers. Mix thoroughly until the entire mixture is well combined and creamy.
- Assemble in Baking Dish:
- Transfer the chicken and vegetable mixture into your prepared baking dish. Spread it out evenly. Sprinkle the remaining shredded cheddar cheese on top.
- Bake Until Hot and Bubbly:
- Place the baking dish in your preheated oven and bake for 25 to 30 minutes. The casserole is ready when it is heated through and cheese on top is melted and bubbly.
- Garnish and Serve:
- Remove the casserole from the oven and sprinkle freshly chopped cilantro or parsley over the top. Serve warm and enjoy the hearty flavors.
Fresh peppers add a crisp texture that contrasts beautifully with the creamy cheese. The bright colors always bring a festive feel to the table, reminding me of lively family dinners where everyone gathers together around this dish.
Storage Tips
Keep leftovers in an airtight container and store in the refrigerator. It stays fresh for three to four days. For longer storage, wrap tightly and freeze for up to three months. Reheat gently in the oven or microwave to maintain texture.
Ingredient Substitutions
Swap cooked turkey or beef for the chicken to change up the flavor profile. Use pepper jack or Monterey Jack cheese instead of cheddar for a different cheesiness. Substitute Greek yogurt for cream cheese to lighten the dish while retaining creaminess.
Serving Suggestions
Top with sour cream, salsa, or guacamole to add layers of flavor. Serve inside warm tortillas to make fajita style wraps. Spoon over a bed of rice or quinoa with a simple salad for a complete meal.
This casserole is a crowd pleaser that’s easy to customize. Serve warm with your favorite toppings and enjoy.
Common Recipe Questions
- → What ingredients create the bold flavor?
A blend of fajita seasoning, fresh bell peppers, onions, cream cheese, and shredded cheddar combines to bring rich, spicy flavors.
- → Can I substitute the chicken with other proteins?
Yes, turkey, beef, or lamb can be used for variety while keeping the dish equally savory and satisfying.
- → What are good side options for this dish?
Serve alongside rice, tortillas, fresh salads, or roasted vegetables to complement the casserole’s richness.
- → How can I enhance the texture of the peppers and onions?
Sauté peppers and onions just until tender to retain a slight crunch and vibrant flavor without overcooking.
- → What is the best way to warm leftovers evenly?
Reheat gently in an oven set to 350˚F or on a stovetop over low heat, turning occasionally for even warmth.