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Oven Baked Chicken Breast Casserole

Joy Brooks
A perfectly engineered chicken breast casserole with two-stage baking technique that ensures moist chicken and perfectly cooked rice. The recipe utilizes strategic layering and temperature management for optimal results.
Servings: 4 people
Course: Oven-Baked
Cuisine: American
Calories: 425 kcal
Prep Time : 15 minutes
Cook Time : 50 minutes

Ingredients
  

  • 4 boneless, skinless chicken breasts 6-8 oz each
  • 1 tablespoon olive oil
  • 1 teaspoon kosher salt
  • 1/2 teaspoon freshly ground black pepper
  • 2 teaspoons paprika preferably smoked
  • 1 teaspoon garlic powder
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon cayenne pepper optional
  • 2 cups low-sodium chicken broth
  • 1 cup uncooked long-grain rice
  • 1 medium onion diced (approximately 1 cup)
  • 2 medium carrots diced (approximately 1 cup)
  • 2 stalks celery diced (approximately 3/4 cup)
  • 3 cloves garlic minced
  • 1 cup frozen peas
  • 1 tablespoon fresh parsley chopped, for garnish
  • 1/2 cup grated Parmesan cheese
  • 2 tablespoons unsalted butter

Method
 

  1. Preheat your oven to 425°F (218°C) and position rack in the middle.
  2. Pat chicken breasts dry with paper towels to remove surface moisture. This step is critical for proper browning.
  3. In a small bowl, combine salt, pepper, paprika, garlic powder, thyme, and cayenne (if using).
  4. Brush chicken breasts with olive oil on both sides, then apply the spice mixture generously, ensuring even coverage.
  5. Heat a large skillet over medium-high heat. Once hot, add the seasoned chicken breasts and sear for 2-3 minutes per side until golden brown (not fully cooked).
  6. Remove chicken to a plate and set aside. Reduce oven temperature to 375°F (190°C).
  7. In the same skillet, add butter and sauté onions, carrots, and celery for 4-5 minutes until onions become translucent.
  8. Add minced garlic and cook for an additional 30 seconds until fragrant.
  9. Stir in uncooked rice, coating it with the vegetable mixture and toasting slightly for 1-2 minutes.
  10. Transfer the rice-vegetable mixture to the casserole dish, spreading evenly.
  11. Pour chicken broth over the rice mixture.
  12. Place the seared chicken breasts on top of the rice mixture, maintaining space between pieces.
  13. Cover tightly with aluminum foil, ensuring a proper seal to trap steam.
  14. Bake covered for 25 minutes.
  15. Remove foil, add frozen peas (distributed evenly), and sprinkle with Parmesan cheese.
  16. Return to oven, uncovered, and bake for an additional 15-20 minutes until chicken reaches 165°F (74°C) internal temperature and rice is fully cooked.
  17. Allow to rest for 5-10 minutes before serving to redistribute juices.
  18. Garnish with fresh chopped parsley before serving.

Note

  • Uniform chicken breast thickness is critical for even cooking. If thickness varies by more than 1/2 inch, use a meat mallet to gently pound the thicker portions.
  • For enhanced moisture retention, brine chicken breasts for 30 minutes prior to cooking (1 tablespoon kosher salt dissolved in 4 cups cold water).
  • The initial sear creates essential flavor compounds while creating a moisture barrier. Do not skip this step.
  • Rice selection matters: long-grain varieties maintain better structural integrity in casseroles.
  • Use room temperature chicken breast for more even cooking.