Fajita Chicken Casserole

This Fajita Chicken Casserole brings all the bold, sizzling flavors of classic fajitas into one warm, cheesy, and wonderfully comforting bake. With tender shredded chicken, sautéed fajita veggies, seasoned rice, and a creamy, melty cheese topping, it’s the kind of one-pan meal that feels cozy, hearty, and full of vibrant Southwestern flavor. Every scoop delivers a satisfying mix of textures — soft rice, juicy peppers, rich sour cream, and gooey cheese.

What makes this casserole especially appealing is how quickly it comes together. With pre-cooked chicken and rice, most of the work is simply sautéing the veggies and mixing everything into a single, flavor-packed dish. The fajita seasoning and Rotel tomatoes add depth and gentle heat, while the sour cream gives the casserole a creamy richness that ties everything together.

This is also a wonderfully adaptable recipe. You can swap proteins, adjust the spice level, or mix in additional vegetables to suit your preferences. The final bake melts the cheese into a bubbly, golden blanket that locks in all the flavors and gives the casserole its irresistible finish. A sprinkle of fresh cilantro adds brightness, balancing the warmth of the spices.

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Perfect for busy weeknights, meal prep, family dinners, or potluck gatherings, this Fajita Chicken Casserole delivers comfort and flavor with minimal effort. Serve it with lime wedges, jalapeños, or even warm tortillas for a complete fajita-style feast.

Servings: 6
Prep Time: 15 minutes
Cook Time: 25 minutes
Total Time: 40 minutes

Ingredients

  • 3 cups cooked shredded chicken
  • 3 cups cooked rice
  • 1 red bell pepper, diced
  • 1 green bell pepper, diced
  • 1 small onion, diced
  • 1 packet fajita seasoning (or taco seasoning)
  • 1 can (10 oz) Rotel tomatoes (optional)
  • 1 cup sour cream
  • 1 cup shredded cheddar
  • 1 cup shredded Monterey Jack
  • 1/4 cup chopped cilantro

Instructions:

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