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Cheesy Chicken Fajita Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.5 from 117 reviews
  • Author: Jaden
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: 4 servings
  • Category: Dinner
  • Method: Baking
  • Cuisine: Mexican-inspired

Description

This Cheesy Chicken Fajita Casserole is a delicious and easy-to-make dish featuring tender chicken breasts seasoned with fajita spices, topped with vibrant bell peppers, onions, and melted cheese. Baked until bubbly and juicy, it’s perfect for a comforting weeknight meal served with your choice of sides.


Ingredients

Units Scale

Chicken and Seasoning

  • 1 1/2 pounds (680 g) skinless and boneless chicken breasts
  • 2 tablespoons fajita seasoning
  • 1 tablespoon vegetable oil

Vegetables and Toppings

  • 2 medium bell peppers, cut into strips
  • 1 medium yellow onion, sliced
  • 1 1/2 cups shredded cheese (any melting cheese)
  • Fresh chopped cilantro for garnish

Instructions

  1. Preheat Oven: Preheat your oven to 400°F (200°C) to ensure it’s ready for baking the casserole.
  2. Prepare Chicken: Place the chicken breasts in a baking dish, then season evenly with the fajita seasoning and drizzle with vegetable oil. Use your hands to rub the seasoning thoroughly over the chicken to ensure maximum flavor.
  3. Add Vegetables and Cheese: Arrange the sliced bell peppers and onions evenly on top of the seasoned chicken. Sprinkle a bit more fajita seasoning over the vegetables, then top everything with shredded cheese.
  4. Bake the Casserole: Bake uncovered in the preheated oven for 25-30 minutes until the chicken is fully cooked and the cheese is melted and bubbly.
  5. Serve: Remove the casserole from the oven and garnish with fresh chopped cilantro. Serve immediately with your preferred sides.

Notes

  • To ensure the chicken is cooked safely, use a meat thermometer inserted into the thickest part; it should read 165°F (74°C).
  • Any type of melting cheese works well for this casserole.
  • For a lower-calorie version, omit the cheese and instead top with a mixture of parmesan and panko breadcrumbs sprayed with oil before baking.
  • To reduce cooking time, cube the chicken into smaller pieces.
  • You can add cooked pasta (al dente) into the casserole for a heartier dish.
  • Pair this casserole with garlic butter pasta, plain rice, Mexican rice, or a low-carb cauliflower rice.
  • Leftovers can be reheated in the oven at 350°F (175°C) for 15-20 minutes or in the microwave.

Nutrition

  • Serving Size: 1 serving
  • Calories: 388 kcal
  • Sugar: 3 g
  • Sodium: 483 mg
  • Fat: 18 g
  • Saturated Fat: 9 g
  • Unsaturated Fat: 7 g
  • Trans Fat: 0 g
  • Carbohydrates: 5 g
  • Fiber: 1 g
  • Protein: 50 g
  • Cholesterol: 153 mg