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A close-up scoop of cheesy chicken fajita bake on a spatula, showing the layers of chicken, peppers, and melted cheese.
FL Recipes

Chicken Fajita Casserole (The Easiest, Cheesy Bake!)

This Chicken Fajita Casserole brings all the sizzling flavor of your favorite fajitas into a simple, cheesy, and incredibly satisfying bake. A perfect, easy weeknight dinner the whole family will love, ready in under an hour!
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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American, Mexican
Calories: 450
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Casserole
  • 2 lbs boneless, skinless chicken breasts cut into 1-inch cubes
  • 3 bell peppers (assorted colors) thinly sliced
  • 1 large yellow onion thinly sliced
  • 2 tbsp olive oil
  • 3 tbsp fajita seasoning from one 1-oz packet or homemade
  • 2 cups shredded Mexican cheese blend
  • Optional toppings: sour cream, cilantro, avocado

Equipment

  • 1 9x13 inch Baking Dish
  • 1 Large Skillet

Method
 

  1. Preheat your oven to 400°F (200°C).
  2. Heat olive oil in a large skillet over medium-high heat. Add the cubed chicken and cook for 3-4 minutes, until lightly browned.
  3. Add the sliced bell peppers and onion to the skillet. Sprinkle with fajita seasoning and stir to combine. Cook for 5-7 minutes, until vegetables are tender-crisp.
  4. Transfer the chicken and vegetable mixture to a 9x13-inch baking dish and spread into an even layer.
  5. Top evenly with the shredded Mexican cheese blend.
  6. Bake for 20-25 minutes, until the cheese is melted and bubbly. Let stand for 5 minutes before serving.

Nutrition

Calories: 450kcalProtein: 45gFat: 25gFiber: 2g

Notes

For best results, use freshly shredded cheese for a smoother melt.
Store leftovers in an airtight container in the fridge for up to 4 days.
Keyword chicken casserole,easy dinner,fajita bake

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