Chicken Fajita Casserole

Prep: 15 min Cook: 25 min Serves: 4 Cuisine: Mexican

A flavorful chicken fajita casserole featuring tender chicken strips, sautéed peppers and onions, seasoned with taco spices, topped with melted cheddar cheese, and broiled to perfection. This hearty dish combines the classic flavors of fajitas in a convenient baked form, perfect for a satisfying family meal.

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Ingredients

  • 4 boneless skinless chicken breasts
  • 2 green peppers
  • 1 large onion
  • 1 package taco seasoning
  • 2 cups grated sharp cheddar cheese

Instructions

  1. Cut chicken into strips and cook in olive oil until browned and cooked through.
  2. Add sliced green peppers and onions to the chicken and cook until vegetables are tender.
  3. Stir in taco seasoning and cook for another minute.
  4. Transfer the chicken and vegetable mixture into a casserole dish.
  5. Pour salsa over the mixture and sprinkle grated cheddar cheese on top.
  6. Place the casserole under a broiler until the cheese is bubbly and melted.
  7. Serve hot with sour cream as a topping.

Tips & Substitutions

For added flavor, marinate the chicken in lime juice and garlic before cooking. You can substitute the sharp cheddar with Monterey Jack or pepper jack for a spicier kick. If you prefer a vegetarian version, replace the chicken with black beans or lentils. Consider adding corn or zucchini for extra veggies, enhancing texture and nutrition. This dish can be customized to suit your taste.

Serving Suggestions

Serve the Chicken Fajita Casserole hot, topped with sour cream, diced avocado, or fresh cilantro for a burst of freshness. It pairs beautifully with Spiced Black Beans or a simple green salad for a complete meal. For a fun twist, serve with tortilla chips for scooping, or alongside rice to soak up the flavors.

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place the casserole in a preheated oven at 350°F (175°C) for about 20 minutes, or until heated through. You can also microwave individual portions, covered, for 2-3 minutes, checking to ensure it's evenly heated.

Nutrition & Diet Analysis (per serving)

Each serving of Chicken Fajita Casserole contains roughly 602 calories, with 33g protein, 36g carbohydrates, and 36g fat. It is an excellent source of vitamin C (136% of the Daily Value), protein (67% of the Daily Value), and calcium (25% of the Daily Value), and a good source of potassium and iron. Note that it is relatively high in sodium, at 1370mg per serving (60% of the Daily Value).

602 kcal 30% DV
Protein Fat Carbs

Macronutrients

Protein 33.4g 67% DV
Total Fat 36.2g 46% DV
Carbs 35.8g 13% DV
Fiber 2.7g 10% DV
Sugar 7.6g 15% DV

Electrolytes

Sodium 1370mg 60% DV
Potassium 596.5mg 13% DV
Cholesterol 99.6mg 33% DV

Vitamins & Minerals

Vitamin A 177.4mcg 20% DV
Vitamin C 122.5mg 100% DV
Vitamin D 0.6mcg 3% DV
Calcium 330.6mg 25% DV
Iron 2.2mg 12% DV
Diet fit High-protein
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use frozen chicken breasts for this recipe?

Yes, you can use frozen chicken breasts, but it's best to thaw them first for even cooking. If you're in a hurry, you can cook them straight from frozen, but increase the cooking time by about 50%. Ensure they reach an internal temperature of 165°F (75°C) before serving.

What can I substitute for taco seasoning?

If you don't have taco seasoning on hand, you can make your own mix using chili powder, cumin, garlic powder, onion powder, paprika, and salt. Adjust the spices to your taste for a personalized flavor. This homemade mix can add a unique twist to your casserole.

Is it possible to make this casserole ahead of time?

Absolutely! You can prepare the casserole up to the point of baking, cover it tightly, and refrigerate it for up to 24 hours. When ready to bake, just add a few extra minutes to the cooking time to ensure it heats through completely.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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