If you’re looking for a warm, comforting meal that’s both delicious and easy to prepare, this Creamy Chicken and Spinach Casserole is the answer. Packed with tender chicken, nutritious spinach, and a rich, creamy sauce, it’s the perfect dinner for busy weeknights or a cozy weekend meal. Plus, casseroles are a great way to feed a crowd or have leftovers for the next day! Keep reading to discover how you can make this mouthwatering dish with ease. From the ingredients list to step-by-step cooking instructions and expert tips, you’ll have everything you need to whip up the perfect casserole. Let’s dive in!

What is a Creamy Chicken and Spinach Casserole?
A Creamy Chicken and Spinach Casserole is a baked dish that combines tender chicken, fresh spinach, a rich and creamy sauce, and often a crunchy topping like breadcrumbs or cheese. It’s a versatile dish, as you can add or substitute various ingredients based on your preference or what you have available in your pantry. Casseroles like this one are excellent for meal prepping, freezing, and reheating, making them a practical option for busy families or anyone who loves a delicious, home-cooked meal without spending hours in the kitchen.
Ingredients List for Creamy Chicken and Spinach Casserole
Before diving into the cooking process, it’s essential to gather all the ingredients. Here's everything you'll need for this delicious dish:
- 3 cups cooked and shredded chicken breast (rotisserie chicken works great)
- 3 cups fresh spinach (you can also use frozen spinach, thawed and drained)
- 1 cup heavy cream
- 1 cup sour cream
- ½ cup cream cheese, softened
- ¼ cup butter
- 1 medium onion, finely chopped
- 3 garlic cloves, minced
- 1 cup shredded mozzarella cheese
- ½ cup grated Parmesan cheese
- ½ cup chicken broth
- 1 tablespoon olive oil
- 1 teaspoon dried thyme
- 1 teaspoon dried basil
- ½ teaspoon paprika
- Salt and pepper to taste
- ½ cup breadcrumbs (optional, for a crispy topping)
Substitutions and Variations
One of the best things about casseroles is how adaptable they are! You can customize the Creamy Chicken and Spinach Casserole to suit your dietary needs or preferences. Here are a few popular substitutions and variations you can try:
- Chicken Substitutes: If you don’t have chicken, you can use turkey, ground chicken, or even shredded rotisserie chicken for convenience.
- Vegetarian Version: For a vegetarian twist, replace the chicken with cooked quinoa, lentils, or chickpeas. You could also add extra veggies like mushrooms, zucchini, or bell peppers.
- Dairy-Free: Substitute the cream, sour cream, and cheese with dairy-free alternatives like coconut cream, dairy-free sour cream, and vegan cheese.
- Low-Carb/Keto-Friendly: Skip the breadcrumbs and use crushed pork rinds for a keto-friendly topping. You can also substitute the heavy cream with unsweetened almond milk or another low-carb option.
- Gluten-Free: To make this dish gluten-free, use gluten-free breadcrumbs or omit them altogether. Double-check the labels on cream cheese and other ingredients to ensure they are gluten-free.
Step-by-Step Cooking Instructions

Now that you have your ingredients ready, it’s time to start cooking! Follow these step-by-step instructions to create a delicious Creamy Chicken and Spinach Casserole.
How to Cook Creamy Chicken and Spinach Casserole: A Step-by-Step Guide
- Preheat Your Oven
Preheat your oven to 375°F (190°C). Grease a 9x13-inch baking dish with a little butter or olive oil to prevent sticking. - Prepare the Spinach
If you’re using fresh spinach, sauté it in a pan with a bit of olive oil until it wilts. This should take about 2-3 minutes. If you’re using frozen spinach, thaw it and squeeze out any excess moisture. - Sauté the Onions and Garlic
In a large skillet, heat the butter over medium heat. Add the chopped onions and garlic, and sauté for about 5 minutes until they are soft and fragrant. - Make the Creamy Sauce
Add the heavy cream, sour cream, cream cheese, and chicken broth to the skillet. Stir everything together until the cream cheese is fully melted and the sauce is smooth. Season the mixture with thyme, basil, paprika, salt, and pepper. - Combine the Chicken and Spinach
Add the shredded chicken and sautéed spinach to the creamy sauce. Stir everything together to ensure the chicken and spinach are well coated with the sauce. - Assemble the Casserole
Transfer the chicken and spinach mixture into your prepared baking dish. Spread it out evenly. Sprinkle the mozzarella and Parmesan cheese on top, followed by the optional breadcrumbs for extra crunch. - Bake the Casserole
Place the dish in the preheated oven and bake for 25-30 minutes, or until the top is golden and bubbly. If you want a crispier top, you can turn on the broiler for the last 2-3 minutes, but keep an eye on it to avoid burning. - Let It Rest
Once baked, remove the casserole from the oven and let it rest for 5-10 minutes before serving. This allows the flavors to meld together, and the casserole will firm up slightly, making it easier to slice and serve.
Common Mistakes to Avoid
When making a casserole, a few common mistakes can lead to a less-than-perfect dish. Here’s what you should avoid:
- Not Draining the Spinach: Whether you’re using fresh or frozen spinach, it’s essential to remove excess water to avoid a soggy casserole. Squeeze out as much moisture as possible before adding it to the dish.
- Overcooking the Chicken: Since you’re using cooked chicken, avoid cooking it too long on the stove. Simply warm it up with the sauce to prevent the chicken from becoming dry.
- Skipping the Rest Time: After baking, allow your casserole to sit for a few minutes. This helps the ingredients set and makes serving easier.
Serving and Presentation Tips
Now that your casserole is done, it's time to think about how to serve it in style! Here’s how to make your Creamy Chicken and Spinach Casserole look as amazing as it tastes.
How to Serve Creamy Chicken and Spinach Casserole
- Portion Control: Use a sharp knife to cut the casserole into even portions. A large spatula is the best tool for lifting the servings out of the dish without breaking them apart.
- Pairing Sides: This casserole pairs wonderfully with a simple side salad, roasted vegetables, or even garlic bread. For a low-carb option, serve it with steamed broccoli or cauliflower rice.
- Family-Style Serving: Place the casserole dish directly on the table and serve family-style, allowing everyone to help themselves. This is an excellent option for casual, cozy dinners.
Presentation Ideas for Creamy Chicken and Spinach Casserole
- Fresh Herbs: Garnish with freshly chopped parsley, basil, or thyme to add a pop of color and freshness to the dish.
- Cheese Topping: For an extra cheesy touch, sprinkle a little more Parmesan or mozzarella over the top before serving. It adds a melty, indulgent texture.
- Layered Look: Serve in individual baking dishes for a fancy twist. These mini casseroles can make a dinner party feel extra special.
Creamy Chicken and Spinach Casserole Recipe Tips
- Make Ahead: You can assemble this casserole a day ahead and refrigerate it before baking. When ready, just pop it in the oven, but allow for a slightly longer baking time if it’s coming straight from the fridge.
- Freezing: This casserole freezes well. Simply prepare it, cover it tightly with foil, and freeze. When ready to eat, thaw in the refrigerator overnight and bake as directed.
- Extra Veggies: Feel free to throw in extra vegetables like mushrooms, bell peppers, or zucchini for added nutrients and flavor.
Frequently Asked Questions (FAQs)
Q: Can I use frozen spinach instead of fresh?
A: Yes, frozen spinach works just as well. Just make sure to thaw it and squeeze out any excess water to prevent the casserole from becoming watery.
Q: How do I store leftovers?
A: Store leftover casserole in an airtight container in the refrigerator for up to 3-4 days. You can reheat it in the oven or microwave until warmed through.
Q: Can I make this casserole ahead of time?
A: Absolutely! You can prepare the casserole ahead of time and refrigerate it until you’re ready to bake. Just allow a few extra minutes in the oven to ensure it’s heated through.
Q: What can I serve with this casserole?
A: A fresh side salad, roasted vegetables, or even garlic bread pairs perfectly with this casserole. For a lighter option, serve it with steamed veggies or cauliflower rice.
Q: Is this casserole keto-friendly?
A: Yes! To make it keto-friendly, omit the breadcrumbs and ensure that your cream and cheese are low in carbs. You can also use crushed pork rinds for a crispy topping.
Conclusion
This Creamy Chicken and Spinach Casserole is the ultimate comfort food, combining tender chicken, nutritious spinach, and a rich, creamy sauce all baked to perfection. It’s perfect for weeknight dinners, meal prepping, or feeding a crowd. Whether you follow the classic recipe or experiment with variations, this casserole will become a family favorite. So go ahead, gather your ingredients, and treat yourself to a delicious, homemade meal that’s as satisfying as it is easy to make!
PrintCreamy Chicken And Spinach Casserole Recipe
Creamy chicken and spinach casserole is a rich, satisfying meal featuring tender chicken, fresh spinach, and a smooth, cheesy sauce baked to perfection. Ideal for family dinners or potlucks, this recipe combines wholesome ingredients for a comforting dish that pleases everyone. Perfect for meal prepping and reheating leftovers.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Total Time: 35 minutes
- Yield: 4 servings 1x
- Category: Main Course
- Method: Baking
- Cuisine: American
- Diet: Gluten Free
Ingredients
- 2 cups cooked chicken, shredded
- 4 cups fresh spinach
- 1 cup cream cheese
- ½ cup sour cream
- 1 cup shredded mozzarella cheese
- ¼ cup grated Parmesan cheese
- ½ teaspoon garlic powder
- Salt and pepper to taste
- 1 tablespoon olive oil
Instructions
- Preheat oven to 375°F (190°C). Grease a baking dish.
- Heat olive oil in a pan, sauté spinach until wilted.
- In a large bowl, mix shredded chicken, sautéed spinach, cream cheese, sour cream, garlic powder, salt, and pepper.
- Transfer mixture to the greased baking dish, top with mozzarella and Parmesan.
- Bake for 20-25 minutes, or until bubbly and golden brown on top.
- Let rest for 5 minutes before serving.
Notes
- You can use frozen spinach (thawed and drained) instead of fresh.
- Add cooked pasta for a heartier meal or substitute the chicken for turkey.
Nutrition
- Serving Size: ¼ of casserole
- Calories: 420 kcal
- Sugar: 2g
- Sodium: 620mg
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