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Creamy Spinach Chicken Casserole

A delightful dish packed with tender chicken, creamy spinach, and melted cheese, perfect for family dinners or gatherings.
Prep Time 30 minutes
Cook Time 30 minutes
Total Time 1 hour
Course Dinner, Main Course
Cuisine American
Servings 4 servings
Calories 400 kcal

Ingredients
  

Chicken and Marinade

  • 2 large boneless, skinless chicken breasts Cut horizontally to create thin cutlets
  • 2 tablespoons olive oil, divided
  • 3 cloves garlic, minced
  • 1 tablespoon Italian seasoning
  • ¼ teaspoon salt
  • ½ teaspoon black pepper

Spinach and Cheese Mixture

  • 2 cups fresh spinach
  • 8 ounces cream cheese, softened
  • 1 cup shredded mozzarella cheese, divided Reserve half for top
  • ½ cup Parmesan cheese (optional)

Instructions
 

Preparation

  • Preheat your oven to 400°F (200°C). Lightly grease a 9×13-inch baking dish with butter or cooking spray. Set it aside.
  • Cut the chicken breasts horizontally to create four thin cutlets. Use a rolling pin or meat mallet to pound the thicker parts to even thickness for uniform cooking.
  • In a large bowl, whisk together 1 tablespoon of olive oil, minced garlic, Italian seasoning, salt, and pepper. Add the chicken and toss to coat. Cover and refrigerate for 15-30 minutes.

Cooking

  • Heat the remaining 1 tablespoon of olive oil in a large skillet over medium heat. Add the fresh spinach and cook, stirring frequently, until wilted (about 2-3 minutes). Remove from the skillet and set aside.
  • In a medium bowl, beat the softened cream cheese until smooth. Stir in the wilted spinach, ½ cup mozzarella cheese, and Parmesan cheese (if using). Mix until well combined.
  • Remove the chicken from the marinade, letting any excess drip off. Optionally, sear the chicken in a hot skillet for 1-2 minutes per side to enhance flavor. Arrange the chicken in a single layer in the prepared baking dish.
  • Spread the spinach and cream cheese mixture evenly over the chicken cutlets. Sprinkle the remaining ½ cup mozzarella cheese on top.
  • Place the casserole in the preheated oven and bake for 20-30 minutes, or until the chicken is fully cooked (internal temperature of 165°F) and the cheese is melted and lightly browned.
  • Allow the casserole to rest for 5 minutes before serving.

Notes

This casserole is best served warm. It pairs nicely with rice, pasta, or a fresh salad. Allow the casserole to rest after baking for easier serving. You can top the cheese with breadcrumbs for extra texture.
Keyword Chicken Dish, Comfort Food, Creamy Chicken Casserole, Easy Dinner Recipe, Spinach Casserole