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Chicken and Spinach Casserole with Cream Cheese: Rich, Creamy, and Oven-Baked Perfection

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A rich and creamy casserole made with shredded chicken, sautéed spinach, and a smooth cream cheese sauce, topped with melted mozzarella and baked to perfection.

Ingredients

Scale
  • 3 cups cooked shredded chicken

  • 4 cups fresh spinach (or 10 oz frozen, thawed and drained)

  • 1/2 small onion, finely chopped

  • 23 cloves garlic, minced

  • 1 tbsp butter

  • 8 oz cream cheese, softened

  • 1/2 cup sour cream or Greek yogurt

  • 1 cup shredded mozzarella cheese, divided

  • 1/4 cup grated Parmesan cheese

  • 1/2 tsp garlic powder

  • Salt and pepper to taste

  • Optional: red pepper flakes, Italian seasoning

Instructions

  • Preheat oven to 375°F (190°C) and grease a 9×13-inch baking dish.

  • In a skillet, sauté onion and garlic in butter until soft.

  • Add spinach and cook until wilted.

  • Stir in cream cheese, sour cream, 1/2 cup mozzarella, and Parmesan until smooth.

  • Season with salt, pepper, and garlic powder.

  • Fold in the cooked chicken and mix well.

  • Spread mixture into the baking dish and top with remaining cheese.

  • Bake uncovered for 25–30 minutes until bubbly and lightly browned.

  • Rest for 5–10 minutes before serving.

Notes

  • Use rotisserie chicken for quick prep.

  • Frozen spinach must be fully drained.

  • Make it spicy with jalapeños or hot sauce.

  • Freezes and reheats well for meal prep.