Description
This Fajita Chicken Casserole is a Tex-Mex-inspired cheesy and colorful one-dish dinner. Loaded with tender chicken, bell peppers, onions, and classic fajita seasonings, it bakes into a bubbly, creamy, family-friendly meal, perfect for weeknights or meal prep.
Ingredients
Scale
Protein:
- 1.5 lbs boneless skinless chicken breasts (sliced into strips or cubed)
Veggies:
- 1 red bell pepper, 1 green bell pepper, 1 yellow bell pepper, 1 medium onion (all sliced)
Seasoning:
- 2 tablespoons olive oil
- 1 tablespoon chili powder
- 1 teaspoon cumin
- 1 teaspoon smoked paprika
- 1 teaspoon garlic powder
- ½ teaspoon onion powder
- ½ teaspoon dried oregano
- Salt & pepper to taste
- Optional: ½ teaspoon red pepper flakes (for heat)
Creamy & Cheesy:
- 4 oz cream cheese (softened)
- ½ cup sour cream (or plain Greek yogurt)
- 2 cups shredded cheese (cheddar, Monterey Jack, or Mexican blend)
Optional Add-Ins:
- 1 cup black beans (drained and rinsed)
- ½ cup corn kernels (fresh or frozen)
- 1 cup cooked rice or cauliflower rice
- ½ cup salsa or Rotel tomatoes with chilies
Instructions
- Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
- Slice chicken, bell peppers, and onion. Toss in a large bowl with olive oil and all the spices.
- Optional: Mix in any extras like corn, black beans, salsa, or cooked rice.
- Spread the mixture evenly in the baking dish. Add spoonfuls of cream cheese and sour cream across the top.
- Sprinkle shredded cheese generously over the entire dish.
- Bake uncovered for 30–35 minutes or until the chicken reaches 165°F internally.
- Broil for 2–3 minutes at the end for a golden, bubbly cheese topping.
- Let the casserole rest for 5 minutes before serving. Garnish as desired.
Notes
- Low-carb: Skip corn, beans, and rice.
- Dairy-free: Use dairy-free cheese and coconut yogurt.
- Extra heat: Add jalapeños or chipotle in adobo.
- Storage: Refrigerate up to 4 days; freeze up to 2 months. Reheat at 350°F or in the microwave.
- Serving ideas: Pair with cilantro lime rice, tortillas, guacamole, or a crisp side salad.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Meat Casseroles
- Method: Oven
- Cuisine: Tex-Mex
Nutrition
- Serving Size: 1/6 of casserole
- Calories: ~410 kcal
- Sugar: ~3 g
- Sodium: ~590 mg
- Fat: ~26 g
- Saturated Fat: ~11 g
- Unsaturated Fat: ~13 g
- Trans Fat: ~0.3 g
- Carbohydrates: ~8 g
- Fiber: ~2 g
- Protein: ~35 g
- Cholesterol: ~110 mg
Keywords: fajita chicken casserole, cheesy chicken fajita bake, low carb fajita casserole, Tex-Mex chicken bake, chicken bell pepper casserole