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A close-up of a creamy chicken and spinach casserole in a white baking dish, topped with melted cheese and garnished with fresh herbs, showcasing a golden-brown crust and vibrant green spinach.

Creamy Chicken and Spinach Casserole

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Creamy Chicken and Spinach Casserole is a deliciously cheesy, flavorful baked dish combining tender chicken breasts with a luscious spinach sauce. Perfect for cozy weeknights or family dinners, this easy-to-make casserole is loaded with nutrients and rich flavors, making it a comfort food classic that everyone will love.

  • Total Time: 35-40 minutes
  • Yield: 4 servings

Ingredients

Scale
  • 4 boneless, skinless chicken breasts
  • 2 cups fresh spinach, chopped
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • 1 cup heavy cream
  • 2 cloves garlic, minced
  • 1 small onion, finely chopped
  • 2 tablespoons olive oil
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 teaspoon Italian seasoning
  • Optional: crushed red pepper flakes for extra heat

Instructions

  1. Preheat your oven to 375°F (190°C). Season chicken breasts with salt, pepper, and Italian seasoning. Sear in a skillet with olive oil for 3-4 minutes per side until golden. Remove and set aside.
  2. Sauté chopped onion and minced garlic until fragrant and translucent. Add heavy cream, then bring to a simmer. Stir in mozzarella, Parmesan, and chopped spinach until cheese melts and spinach wilts, forming a creamy sauce.
  3. Place seared chicken breasts in a baking dish. Pour the spinach sauce evenly over the chicken. Sprinkle additional mozzarella and Parmesan on top, and add red pepper flakes if desired.
  4. Bake uncovered for 20-25 minutes until cooked through and bubbly. Rest for a few minutes before serving.

Notes

  • For extra flavor, garnish with fresh herbs like parsley or basil before serving.
  • Can be prepared ahead and refrigerated for up to 24 hours before baking.
  • Reheat leftovers in the oven or microwave, adding a splash of milk or cream to restore creaminess.
  • Author: Emma Bloomfield
  • Prep Time: 15 minutes
  • Cook Time: 20-25 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten-Free

Nutrition

  • Serving Size: 1 serving
  • Calories: 420 Kcal
  • Sugar: 4g
  • Sodium: 620mg
  • Fat: 27g
  • Saturated Fat: 13g
  • Unsaturated Fat: 10g
  • Trans Fat: 0.5g
  • Carbohydrates: 10g
  • Fiber: 3g
  • Protein: 42g
  • Cholesterol: 125mg