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chicken fajita casserole topped with sliced avocados, sour cream and tomatoes
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Chicken Fajita Casserole

If you're a fan of chicken fajitas, you're going to love my creamy, cheesy, chicken fajita casserole. It's loaded with peppers, onions, chicken, and cheese!
Course Chicken Dinner, Main Course
Cuisine Mexican
Keyword chicken casserole recipes, chicken fajita recipes, fajita recipes
Prep Time 25 minutes
Cook Time 45 minutes
Total Time 1 hour 10 minutes
Servings 6 servings
Calories
Author Kathleen

Ingredients

Casserole:

  • 2 tablespoons vegetable oil
  • 4 large mixed color bell peppers, seeded and sliced
  • 1 large poblano chili, seeded and sliced
  • 1 small red onion, thinly sliced
  • 1 (4-ounce) can diced green chiles, undrained
  • 1 (1-ounce) envelope fajita seasoning mix
  • 2 teaspoons garlic powder
  • 1 ½ teaspoons kosher salt, divided
  • 2 ½ cups chicken breasts, shredded + cooked
  • 8 ounces cream cheese, softened + cut into cubes
  • 6 ounces Jack cheese, shredded. divided (about 1 ½ cups)
  • 6 ounces smoked Cheddar cheese, shredded. divided( about 1 ½ cups)
  • 2 tablespoons fresh cilantro chopped

Optional Topping:

  • extra cilantro
  • chopped tomatoes
  • sliced avocado
  • sour cream

Instructions

  • Adjust oven rack to the middle position. Preheat oven to 350°F. Spray a 7X11 inch baking dish with nonstick cooking spray; set aside.
  • In a large skillet heat oil. Sauté the peppers and onion in batches, over medium-high heat, turning occasionally as needed, until they are soft and starting to char.
  • When all the peppers and onion are cooked and soft, combine them back in the skillet. Stir in the canned chiles with their juices, fajita seasoning, garlic, and 1/2 teaspoon salt. Cook until the garlic becomes fragrant, stirring constantly, about 1 minute.
  • Remove skillet from heat and stir in chicken; set aside.
  • In a large mixing bowl, mix together cream cheese, smoked cheddar, jack cheese, and and remaining 1 teaspoon of salt.
  • Stir in the pepper and chicken mixture until evenly combined.
  • Transfer mixture to prepared baking dish. Evenly top the casserole with remaining 1/2 cup smoked cheddar and 1/2 cup jack cheese.
  • Bake casserole in preheated oven, uncovered, until the casserole is heated through, bubbly, and cheese is melted, about 25-30 minutes. Remove the casserole from oven and adjust the oven rack to about 6-8 inches from heating element. Turn the oven to broil. Return casserole to oven and broil until the cheese begins to brown, about 5 minute. Watch closely so it doesn't burn.
  • Remove from oven and allow casserole to sit to for 8-10 minutes. Sprinkle top of casserole with cilantro and serve.