Easy Spinach Cheese Baked Chicken Casserole You’ll Love

Bianca

Founder of Red Recipe

Spinach Cheese Baked Chicken Casserole

Best seller

knife

You’re Missing Out! This Chef Knife Is a Game-Changer

  • Stays Sharp: Ice-hardened for long-lasting sharpness.
  • Better Control: Unique finger hole for a steady grip.
  • Built to Last: Premium stainless steel and beech wood.
  • Perfect Balance: Comfortable weight for easy use.
  • Big Savings: 70% off, high quality at a steal.
  • Customer Approved: Loved for quality and ease.
Grab Yours Today at 70% Off!

This post may contain affiliate links learn more.

There’s something incredibly comforting about a warm casserole bubbling fresh from the oven, especially when it combines tender chicken, vibrant spinach, and melting cheese in one dish. I stumbled onto this Spinach Cheese Baked Chicken Casserole when I wanted a hearty, homemade meal that felt special but didn’t demand hours in the kitchen. The best part? It’s surprisingly simple to prepare and perfect for busy weeknights or relaxed weekends alike. Creamy, cheesy, and packed with savory flavors, this casserole always wins over my family and guests—no one suspects such an elegant dish comes together so quickly! If you’re craving a satisfying, wholesome meal that makes you forget takeout, this recipe is about to become your new favorite.

Why choose Spinach Cheese Baked Chicken Casserole?

Simplicity meets flavor in this one-dish wonder—minimal prep, maximum taste. Creamy, cheesy goodness melds perfectly with tender chicken and fresh spinach for a wholesome meal. Versatile and satisfying, it’s ideal for quick weeknights or cozy family dinners. Time-saving and crowd-pleasing, it turns everyday ingredients into a comforting feast everyone will love.

Spinach Cheese Baked Chicken Casserole Ingredients

For the Chicken and Spinach Base

  • Boneless, skinless chicken breasts – Choose fresh or thawed chicken for tender, juicy pieces.
  • Fresh spinach leaves – Adds vibrant color and a nutritious green punch to the casserole.
  • Garlic cloves – Minced for aromatic depth that pairs beautifully with chicken.

For the Creamy Cheese Sauce

  • Cream cheese – Creates a rich, smooth texture that binds all ingredients seamlessly.
  • Shredded mozzarella cheese – Melts into a bubbly, golden topping perfect for any baked casserole.
  • Grated Parmesan cheese – Sprinkles sharp, savory flavor that enhances cheesy richness.
  • Milk or cream – Use whole milk or cream to achieve a luscious, creamy sauce consistency.

For Seasoning and Extras

  • Salt and black pepper – Simple staples to balance and enhance all flavors.
  • Italian seasoning – A fragrant blend that lifts the casserole’s taste to restaurant-quality.
  • Olive oil – For sautéing chicken and garlic to golden perfection before baking.

This carefully selected lineup of Spinach Cheese Baked Chicken Casserole ingredients ensures a perfect harmony of creamy, cheesy, and fresh flavors in every bite!

How to Make Spinach Cheese Baked Chicken Casserole

  1. Preheat: Preheat oven to 375°F and grease a 9×13 baking dish so the casserole won’t stick, ensuring even baking and easy serving.
  2. Sauté Chicken: In a skillet, heat olive oil over medium heat, then cook bite-size chicken for 5–7 minutes until lightly golden. Remove and set aside on a plate.
  3. Sauté Spinach: Add minced garlic and spinach to the same skillet; cook until spinach is wilted and bright green, about 2 minutes. Return chicken and stir to combine.

For the Cheese Sauce:

  1. Combine: In a bowl, whisk cream cheese with milk (or cream) until smooth. Fold in Parmesan and half the mozzarella for a creamy, cheesy sauce.
  2. Pour: Spread the chicken and spinach mixture evenly in the prepared dish, then pour the cheese sauce on top, ensuring full coverage.
  3. Top: Sprinkle the remaining mozzarella and a pinch of Italian seasoning evenly, adding color and flavor for a golden, bubbly crust.
  4. Bake: Place casserole in the oven for 20–25 minutes until bubbling and golden brown. Let rest 5 minutes before serving.

Optional: Garnish with fresh parsley and extra Parmesan.
Exact quantities are listed in the recipe card below.

Expert Tips for Spinach Cheese Baked Chicken Casserole

  • Use Room Temperature Cream Cheese: Soften cream cheese before mixing to avoid lumps and ensure a smooth, creamy sauce every time.
  • Don’t Overcook Chicken: Sauté chicken just until golden to keep it tender and juicy inside the casserole’s bake time.
  • Wilt Spinach Properly: Cook spinach until just wilted to preserve its vibrant color and fresh flavor in the casserole.
  • Even Cheese Distribution: Sprinkle half the mozzarella in the sauce and half on top for perfect melt and a golden crust.
  • Let It Rest: Allow the casserole to rest 5 minutes after baking so flavors settle and slicing is neater.

Spinach Cheese Baked Chicken Casserole Variations

Feel free to play around and make this comforting casserole your own with these tasty twists!

  • Dairy-Free: Substitute cream cheese and cheeses with vegan options for a dairy-free version without sacrificing flavor.
  • Protein-Packed: Add cooked quinoa or chickpeas to the chicken mixture for extra protein and a hearty texture. This adds a delightful nutty flavor, making the dish even more filling!
  • Gluten-Free: Use gluten-free flour in place of regular flour when making the cheese sauce to keep it gluten-free and still delicious. Your guests won’t even know the difference!
  • Add Veggies: Toss in some diced bell peppers or mushrooms along with the spinach for a colorful and flavorful veggie boost. Each bite will be a bit of extra crunch and texture!
  • Spicy Kick: Sprinkle red pepper flakes or add diced jalapeños to the chicken while sautéing for a hint of heat that builds excitement in each mouthful. Spice it up to your preference!
  • Whole Grain: Swap regular pasta for whole grain or even zucchini noodles to make it healthier while maintaining that comforting baked feel of the casserole. A tasty and nourishing option!
  • Cheese Variety: Experiment with different cheeses like gouda or feta for a unique depth of flavor that can give the casserole a delightful twist. Cheese lovers, rejoice!
  • Herb Infusion: Add fresh herbs like basil or thyme into the cheese sauce for an aromatic touch that brightens up the dish, making it even more inviting. The freshness will truly elevate this family favorite!

What to Serve with Spinach Cheese Baked Chicken Casserole?

Create a delightful meal experience with comforting sides that elevate your casserole night.

  • Garlic Bread: The crispy, buttery delight of garlic bread complements the creamy casserole, perfect for soaking up every delicious drop. It’s an irresistible pairing that everyone will devour!

  • Steamed Broccoli: Freshly steamed broccoli adds a vibrant crunch and a dose of nutrients that harmonize beautifully with the cheesy flavors. Plus, that green on the plate makes it all feel a bit more gourmet!

  • Caesar Salad: A crisp Caesar salad offers a crunchy contrast and zesty dressing, cutting through the richness of the dish with refreshing notes. The combination of textures will delight your palate and keep the meal light.

  • Rice Pilaf: Fragrant rice pilaf with sautéed onions and herbs absorbs the savory sauce from the casserole, creating a comforting base that rounds out your plate splendidly.

  • Moscato Wine: A chilled glass of Moscato perfects the dinner experience with its fruity sweetness, balancing out the savory aspects of the casserole wonderfully. An elegant choice that will make your meal memorable!

  • Chocolate Lava Cake: End on a sweet note with a rich chocolate lava cake. Its warm, gooey center is the ultimate indulgence, contrasting beautifully with the savory main course. It’s a delightful surprise to wrap up your cozy night!

How to Store and Freeze Spinach Cheese Baked Chicken Casserole

  • Fridge: Store leftovers in an airtight container for up to 3 days. Reheat individual portions in the microwave or bake at 350°F until warmed through.
  • Freezer: Freeze the casserole before baking for up to 3 months. Wrap tightly in plastic wrap and foil to prevent freezer burn.
  • Thawing: To enjoy frozen casserole, thaw in the fridge overnight before baking. Add an additional 5-10 minutes to the baking time for best results.
  • Reheating: When reheating leftovers, cover with foil to keep moisture in and prevent over-browning of the cheese.

Make Ahead Options

These Spinach Cheese Baked Chicken Casserole preparations are ideal for busy home cooks! You can sauté the chicken and spinach mixture up to 24 hours in advance, storing it in an airtight container in the refrigerator to maintain freshness. Additionally, you can prepare the creamy cheese sauce ahead of time and refrigerate it separately. When you’re ready to enjoy this comforting dish, simply assemble everything in the baking dish, pour the cheese sauce on top, add the remaining mozzarella, and bake as directed. This way, you’ll experience just as delicious and satisfying results with minimal effort, making weeknight dinners a breeze!

Spinach Cheese Baked Chicken Casserole Recipe FAQs

How do I know if my spinach is fresh enough for the casserole?
Look for fresh spinach leaves that are vibrant green with a crisp texture. Avoid any bunches with wilted, yellowing, or dark spots all over, as these indicate the spinach is past its prime.

Can I store leftover casserole, and how long will it keep?
Absolutely! Store leftovers in an airtight container in the fridge for up to 3 to 4 days. When reheating, I recommend covering it with foil to keep the cheese moist and prevent it from drying out.

Is it possible to freeze the casserole, and what’s the best method?
Very! For freezing, assemble the casserole but don’t bake it yet. Wrap it tightly first in plastic wrap, then in aluminum foil to avoid freezer burn. It can be stored frozen for up to 3 months. When ready to use, thaw overnight in the fridge and bake at 375°F, adding 5–10 extra minutes to the baking time until hot and bubbly.

What if my casserole turns out watery or runny?
This can happen if too much moisture is released from the spinach or chicken. To prevent it, make sure to sauté the spinach until well wilted and drain any excess liquid before adding it to the mixture. Also, avoid overcooking the chicken to maintain its texture and juices inside the casserole instead of pooling at the bottom.

Can I make this recipe if I’m lactose intolerant or feeding pets?
This casserole relies on rich cheeses and cream cheeses, so for lactose intolerance, try lactose-free cream cheese and milk substitutes like almond or oat milk, but the flavor and texture will vary slightly. As for pets, avoid sharing this dish with them since it contains garlic, onions, and dairy, which can be harmful to dogs and cats. Always keep their meals separate for their safety.

Spinach Cheese Baked Chicken Casserole

Easy Spinach Cheese Baked Chicken Casserole You’ll Love

This Spinach Cheese Baked Chicken Casserole is a comforting dish combining tender chicken, vibrant spinach, and melting cheese. Perfect for busy weeknights!
Prep Time 15 minutes
Cook Time 25 minutes
Resting Time 5 minutes
Total Time 45 minutes
Servings: 6 servings
Course: Main Course
Cuisine: American
Calories: 450

Ingredients
  

Chicken and Spinach Base
  • 1 pound boneless, skinless chicken breasts Choose fresh or thawed chicken for tender pieces.
  • 4 cups fresh spinach leaves Adds vibrant color and nutrition.
  • 2 cloves garlic Minced for aromatic depth.
Creamy Cheese Sauce
  • 8 ounces cream cheese Creates a rich, smooth texture.
  • 1 cup shredded mozzarella cheese Melts into a bubbly topping.
  • 1/2 cup grated Parmesan cheese Enhances cheesy richness.
  • 1/2 cup milk or cream For a creamy sauce consistency.
Seasoning and Extras
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 teaspoon Italian seasoning Lifts the casserole’s taste.
  • 2 tablespoons olive oil For sautéing chicken and garlic.

Equipment

  • skillet
  • 9×13 baking dish
  • mixing bowl

Method
 

Preparation
  1. Preheat oven to 375°F and grease a 9x13 baking dish.
  2. In a skillet, heat olive oil over medium heat, then cook bite-size chicken for 5–7 minutes until lightly golden. Remove and set aside.
  3. Add minced garlic and spinach to the same skillet; cook until spinach is wilted and bright green, about 2 minutes. Return chicken and stir to combine.
Make Cheese Sauce
  1. In a bowl, whisk cream cheese with milk (or cream) until smooth. Fold in Parmesan and half the mozzarella.
Assembly and Baking
  1. Spread the chicken and spinach mixture evenly in the prepared dish, then pour the cheese sauce on top.
  2. Sprinkle the remaining mozzarella and a pinch of Italian seasoning.
  3. Place casserole in the oven for 20–25 minutes until bubbling and golden brown.
  4. Let casserole rest for 5 minutes before serving.

Nutrition

Serving: 1servingCalories: 450kcalCarbohydrates: 8gProtein: 35gFat: 30gSaturated Fat: 15gPolyunsaturated Fat: 1gMonounsaturated Fat: 10gCholesterol: 120mgSodium: 800mgPotassium: 500mgFiber: 2gSugar: 3gVitamin A: 2500IUVitamin C: 20mgCalcium: 300mgIron: 2mg

Notes

Use room temperature cream cheese for best results. Don't overcook the chicken to keep it tender.

Tried this recipe?

Let us know how it was!