Chicken Fajita Casserole with Peppers, Onions, and Cheese
Bold, cheesy, and packed with Tex-Mex flavor, this Chicken Fajita Casserole with Peppers, Onions, and Cheese is the ultimate easy dinner! Juicy chicken is baked with colorful bell peppers and onions, seasoned with classic fajita spices, and topped with plenty of melty cheese for a rich, satisfying bite.
Ingredients
- For the Chicken u0026 Veggies:
- 1.5 lbs boneless, skinless chicken breasts, cut into thin strips
- 3 bell peppers (red, yellow, green), sliced
- 1 large yellow onion, sliced
- 2 tbsp olive oil
- For the Seasoning:
- 2 tsp chili powder
- 1 tsp smoked paprika
- 1 tsp ground cumin
- 1 tsp garlic powder
- ½ tsp onion powder
- ½ tsp oregano
- ½ tsp salt (or to taste)
- ¼ tsp black pepper
- ¼ tsp cayenne pepper (optional, for heat)
- For Baking:
- 1 cup shredded cheddar cheese
- 1 cup shredded Monterey Jack cheese
- ¼ cup chopped fresh cilantro (optional, for garnish)
- Lime wedges (for serving)
Instructions
- Preheat the Oven : Set your oven to 375°F (190°C) and lightly grease a 9x13-inch baking dish.
- Season the Chicken and Veggies : Place sliced chicken, peppers, and onions in a large bowl.Drizzle with olive oil. Add chili powder, smoked paprika, cumin, garlic powder, onion powder, oregano, salt, pepper, and cayenne (if using).Toss until everything is evenly coated.
- Assemble the Casserole : Spread the seasoned chicken and veggies evenly in the prepared baking dish.Cover with foil and bake for 20–25 minutes, or until chicken is nearly cooked through.
- Add the Cheese : Remove the foil and sprinkle cheddar and Monterey Jack cheese evenly over the top. Return to the oven, uncovered, for 8–10 minutes, until cheese is melted and bubbly.
- Garnish and Serve : Remove from the oven, sprinkle with fresh cilantro, and serve with lime wedges.