If you love fajitas but don’t want the hassle of cooking everything separately, this Fajita Chicken Casserole is your new best friend. It brings together all the flavors you crave — tender chicken, bell peppers, onions, and melted cheese — in one easy, oven-baked dish.
It’s creamy, cheesy, and loaded with Tex-Mex spice — perfect for a quick weeknight dinner or a cozy family meal.
Ingredients You’ll Need
• 2 lbs chicken breasts, cooked and shredded (or rotisserie chicken)
• 1 red bell pepper, sliced
• 1 yellow bell pepper, sliced
• 1 green bell pepper, sliced
• 1 small onion, sliced
• 1 cup sour cream
• 1 (10 oz) can Rotel tomatoes (diced tomatoes with green chilies)
• 1 tsp chili powder
• 1 tsp smoked paprika
• 1 tsp garlic powder
• 1 tsp onion powder
• ½ tsp cumin
• Salt and pepper, to taste
• 2 cups shredded Mexican cheese blend
• Olive oil, for sautéing
Instructions
1. Preheat the oven to 375°F (190°C).
2. In a large skillet, heat olive oil over medium heat. Add sliced peppers and onions. Sauté for 5–7 minutes until softened.
3. In a large mixing bowl, combine shredded chicken, cooked peppers and onions, Rotel, sour cream, and all the seasonings. Mix until evenly coated.
4. Transfer the mixture to a greased 9×13-inch baking dish.
5. Top generously with shredded cheese.
6. Bake uncovered for 20–25 minutes, until bubbly and golden on top.
7. Let it rest for 5 minutes before serving.
Serving Suggestions
Serve this delicious casserole with warm tortillas, Spanish rice, or a simple green salad. Add a squeeze of lime and a sprinkle of fresh cilantro for that restaurant-style fajita flair!
Why You’ll Love This Recipe
✅ Easy to make — all in one pan
✅ Great for meal prep and leftovers
✅ Family-friendly comfort food
✅ Naturally gluten-free and low-carb
✅ Bursting with classic fajita flavors
Tips & Variations
• Make it creamy: Add a little cream cheese to make it extra rich.
• Add veggies: Corn, black beans, or mushrooms work beautifully.
• Spice it up: Add jalapeños or extra chili flakes for more heat.
• Keto-friendly option: Skip the rice or tortillas — serve it as is!
Storage
• Fridge: Store leftovers in an airtight container for up to 4 days.
• Freezer: Freeze for up to 2 months. Thaw overnight and reheat in the oven.
Conclusion
This Fajita Chicken Casserole is everything you love about fajitas, baked into a cozy, melty, and flavor-packed dish. Whether you’re feeding the family or meal-prepping for the week, it’s a guaranteed hit that satisfies every craving.
