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Fajita Chicken Breasts Casserole

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This Fajita Chicken Breasts Casserole is packed with flavor and comes together quickly. Juicy chicken, sautéed peppers and onions, and melted cheese make this a perfect weeknight casserole.

  • Total Time: 30 minutes
  • Yield: 4 servings

Ingredients

Scale
  • 3–4 small chicken breasts (1 1/2 lbs), skinless and boneless, or 2 large chicken breasts split lengthwise
  • 2 bell peppers, red and green, seeded and cut into strips
  • 1 medium onion, minced
  • 1 tsp cumin powder
  • 1 1/2 tsp chili powder
  • 1 tsp garlic powder or minced garlic
  • 2 tsp paprika
  • 1/2 tsp salt and freshly cracked pepper, to taste
  • 1 tbsp vegetable oil
  • 1 cup shredded mozzarella (or preferred cheese)
  • Fresh chopped cilantro or parsley for garnish

Instructions

  1. Preheat oven to 400°F (200°C) and lightly grease a baking dish.
  2. Place chicken breasts on a plate and sprinkle with cumin, chili powder, garlic, paprika, salt, and pepper. Reserve some seasoning for vegetables.
  3. Arrange chicken in the prepared baking dish, drizzle with oil, top with bell peppers and onion, sprinkle remaining seasoning, and finish with shredded cheese.
  4. Bake 20–30 minutes until chicken reaches 165°F (74°C). Optional: broil for 2 minutes to crisp the top.
  5. Serve immediately over cauliflower rice, steamed vegetables, or as is. Garnish with cilantro or parsley.

Notes

  • Yield: 4 servings.
  • Adjust bake time depending on chicken thickness.
  • Author: lily
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Category: Dinner
  • Method: Oven-Baked
  • Cuisine: Mexican