Fajita Chicken Casserole
A Flavor-Packed Twist on Classic Chicken Fajitas
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This Fajita Chicken Casserole brings together the bold flavors of traditional chicken fajitas in a warm and satisfying baked dish. Tender shredded chicken, colorful bell peppers, and onions are mixed with a creamy, seasoned sauce, then topped with melted cheese and crunchy Panko breadcrumbs before being baked until golden and bubbly.
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Perfect for weeknight dinners, family meals, or potluck gatherings, this casserole offers all the smoky, savory taste of fajitas with the convenience of a one-pan bake. It’s hearty, comforting, and easy to prepare ahead of time.
Fajita Chicken Casserole
Ingredients
| Ingredient | Quantity |
|---|---|
| Cooked boneless chicken, shredded | 4 cups |
| Sour cream | 3/4 cup |
| Chicken broth | 1/2 cup |
| Diced tomatoes with juices | 1 1/4 cups |
| Bell peppers, sliced | 2 |
| Large yellow onion, sliced | 1 |
| Mexican-style shredded cheese, divided | 1 1/2 cups |
| Panko breadcrumbs | 1 cup |
| Fajita seasoning | 2 tablespoons |
| Fresh cilantro, chopped | 1 tablespoon |
Optional Toppings
- Fresh cilantro
- Sliced avocado
- Lime wedges
- Jalapeño slices
How to Make Fajita Chicken Casserole
Step 1: Prepare the Oven and Baking Dish
Preheat the oven to 375°F (190°C). Lightly coat a 9×13-inch baking dish with cooking spray or a thin layer of oil.
Step 2: Mix the Filling
In a large bowl, combine the shredded chicken, sour cream, chicken broth, diced tomatoes with their juices, sliced bell peppers, sliced onion, and 1 cup of the shredded cheese. Add the fajita seasoning and chopped cilantro, then stir until all ingredients are evenly mixed.
Step 3: Fill the Baking Dish
Transfer the chicken mixture into the prepared baking dish. Spread it evenly to ensure the vegetables and chicken are distributed throughout.
Step 4: Add the Topping
Scatter the remaining 1/2 cup of cheese over the casserole. In a separate bowl, toss the Panko breadcrumbs with a small amount of melted butter or olive oil until lightly coated. Sprinkle the breadcrumbs evenly over the cheese layer.
Step 5: Bake Until Golden
Cover the dish with aluminum foil and bake for 25–30 minutes, allowing the casserole to heat through and become bubbly. Remove the foil and continue baking for about 10 more minutes, or until the breadcrumb topping is crisp and lightly browned.
Step 6: Rest and Serve
Remove the casserole from the oven and let it stand for several minutes before serving. Top with extra cilantro, avocado slices, lime wedges, or jalapeños if desired.
Serving Suggestions
- Pair with warm tortillas for a fajita-inspired meal.
- Serve alongside Spanish rice or a fresh green salad.
- Add extra toppings such as sour cream, guacamole, or salsa.
- Excellent for meal prep and reheats beautifully the next day.
