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Chicken Fajita Casserole – A Cheesy, Family-Friendly Bake

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This Chicken Fajita Casserole layers juicy seasoned chicken, roasted peppers and onions, and melted cheese into a creamy, comforting one-dish meal.

Ingredients

Scale
  • lbs boneless chicken breasts or thighs

  • 3 bell peppers (mixed colors), sliced

  • 1 large onion, sliced

  • 2 tbsp olive oil

  • 1 tbsp fajita seasoning (or homemade blend)

  • 4 oz cream cheese, softened

  • 1½ cups shredded Monterey Jack or cheddar cheese

  • Optional: black beans, corn, diced tomatoes, jalapeños

Instructions

  1. Preheat oven to 375°F. Grease a 9×13 casserole dish.

  2. Toss chicken, peppers, and onion with oil and seasoning. Roast on a sheet pan for 20–25 minutes.

  3. Mix hot roasted ingredients with cream cheese in a bowl until smooth.

  4. Transfer to casserole dish. Top with shredded cheese.

  5. Bake for 15–20 minutes until bubbly. Broil 2 minutes if desired.

  6. Let rest 5 minutes, then serve.

Notes

Add beans or rice for a hearty variation. Store leftovers in fridge up to 4 days. Freeze before baking for make-ahead meals.