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Creamy Chicken and Spinach Casserole

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This creamy chicken and spinach casserole is a comforting, cheesy one-dish meal made with tender chicken, fresh spinach, and a rich, flavorful sauce. It’s easy to make, satisfying, and perfect for family dinners or meal prep.

  • Author: Ella
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Total Time: 45 minutes
  • Yield: 4–6 servings
  • Category: Main Course
  • Method: Baked
  • Cuisine: American

Ingredients

  • 2 cups cooked chicken (shredded or diced)
  • 3 cups fresh spinach (roughly chopped)
  • 1 cup mushrooms (optional, sliced)
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • 1 cup sour cream or Greek yogurt
  • 1/2 cup cream cheese, softened
  • 1 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • Salt and pepper to taste
  • 1/2 cup breadcrumbs (optional, for topping)
  • 1 tablespoon olive oil or melted butter (for topping)

Instructions

  1. Preheat oven to 375°F (190°C) and lightly grease a medium baking dish.
  2. Sauté spinach (and mushrooms, if using) in a skillet until wilted. Set aside.
  3. In a large bowl, mix cooked chicken, sour cream, cream cheese, garlic powder, onion powder, mozzarella, Parmesan, salt, and pepper until creamy and combined.
  4. Fold in sautéed spinach and mix evenly.
  5. Spread the mixture into the prepared baking dish.
  6. If using a topping, combine breadcrumbs with olive oil or melted butter and sprinkle over the top.
  7. Bake for 25–30 minutes, until bubbly and golden on top.
  8. Let cool slightly before serving.

Notes

  • Use rotisserie chicken to save time and add flavor.
  • For a keto version, skip the breadcrumbs and add more cheese on top.
  • Frozen spinach can be used—thaw and squeeze out excess moisture.
  • Can be made ahead and baked later—store in the fridge up to 24 hours before baking.

Nutrition

Find it online: https://elladishes.com/creamy-chicken-and-spinach-casserole/