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Creamy Chicken and Spinach Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.9 from 8 reviews
  • Author: Sue
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Total Time: 45 minutes
  • Yield: 4 servings
  • Category: Main Dish
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free

Description

This Chicken and Spinach Casserole with Cream Cheese is a creamy, indulgent dish featuring tender chicken breasts, sautéed spinach, and rich cream cheese, finished with melted mozzarella cheese. Perfect for busy weeknights or meal prep, this gluten-free casserole delivers a satisfying and flavorful dinner the whole family will enjoy.


Ingredients

Chicken and Marinade

  • 2 large boneless, skinless chicken breasts
  • 1 tablespoon olive oil
  • 3 cloves garlic, minced
  • 1 tablespoon Italian seasoning
  • 1/4 teaspoon salt
  • 1/2 teaspoon black pepper

Sautéed Spinach and Cheese Mixture

  • 1 tablespoon olive oil
  • 2 cups fresh spinach
  • 8 ounces cream cheese, softened
  • 1/2 cup shredded mozzarella cheese
  • 1/2 cup Parmesan cheese (optional)

Topping

  • 1/2 cup shredded mozzarella cheese


Instructions

  1. Preheat and Prepare Baking Dish: Preheat your oven to 400°F (200°C) and lightly grease a 9×13-inch baking dish to prevent sticking and ensure easy cleanup.
  2. Prepare Chicken Cutlets: Cut each chicken breast in half horizontally to create four thin cutlets. Pound the thicker ends to even out their thickness, which helps in even cooking.
  3. Marinate Chicken: In a bowl, whisk together 1 tablespoon olive oil, minced garlic, Italian seasoning, salt, and black pepper. Toss the chicken cutlets in the mixture, cover, and refrigerate for 15-30 minutes to allow the flavors to infuse.
  4. Sauté Spinach: Heat the remaining tablespoon of olive oil in a skillet over medium heat. Add fresh spinach and cook for 2-3 minutes until wilted. Remove from heat and set aside.
  5. Make Cheese and Spinach Mixture: Beat the softened cream cheese in a bowl until smooth. Stir in the sautéed spinach, 1/2 cup shredded mozzarella cheese, and Parmesan cheese if using. Mix until well combined.
  6. Optional Sear Chicken: For enhanced flavor, sear the marinated chicken in a hot skillet for 1-2 minutes per side until lightly browned, but not fully cooked through.
  7. Assemble Casserole: Arrange the chicken cutlets evenly in the greased baking dish. Spread the cream cheese and spinach mixture over the chicken. Sprinkle the remaining 1/2 cup of mozzarella cheese evenly on top.
  8. Bake: Place the baking dish in the preheated oven and bake for 20-30 minutes, or until the chicken reaches an internal temperature of 165°F (75°C) and the cheese is melted and lightly browned on top.
  9. Rest and Serve: Remove casserole from the oven and let it rest for 5 minutes before serving to allow the flavors to settle and the dish to firm up slightly.

Notes

  • Frozen spinach can be used in place of fresh; ensure it is fully thawed and excess moisture squeezed out before cooking.
  • Leftovers can be stored in an airtight container in the refrigerator for up to 3 days or frozen for up to 2 months.
  • Chicken thighs can be substituted for breasts if a juicier texture is preferred.