Chicken and Spinach Casserole with Cream Cheese

Chicken and Spinach Casserole with Cream Cheese tastes rich, creamy, and cheesy with just enough spinach and garlic to keep it from feeling heavy. It works perfectly for busy weeknights or casual entertaining, and you can get it on the table in about 45 minutes. I tested versions of this casserole so many times that my kids started asking for “the green chicken” by name.

Why You Should Try This Chicken and Spinach Casserole with Cream Cheese

This casserole hits that comfort food sweet spot with juicy chicken, velvety cream cheese sauce, and plenty of melty cheese on top. The spinach folds in easily, so even picky eaters usually clean their plates without a negotiation.

You mix everything in one baking dish, so cleanup stays simple and weeknight friendly. It also reheats beautifully, so you can cook once and eat twice without sacrificing flavor or texture.

“Creamy, cheesy, and surprisingly kid-approved, this Chicken and Spinach Casserole with Cream Cheese went straight into our regular dinner rotation. ★★★★★”

Ingredients You’ll Need

Here is everything you need for this Chicken and Spinach Casserole with Cream Cheese, plus some helpful notes and substitutions.

Chicken

• 1.5 to 2 pounds boneless skinless chicken breasts
  • Slice them into thin cutlets so they cook evenly.
  • Use boneless thighs if you prefer richer flavor and extra tenderness.

Spinach

• 8 to 10 ounces fresh baby spinach
  • Roughly chop it so it blends into the sauce.
  • Use frozen chopped spinach in a pinch: thaw it and squeeze it very dry in a clean towel.

Creamy base

• 8 ounces cream cheese, softened

  • Full fat gives the best texture, but you can use reduced fat if you like.
  • I often use Philadelphia or store brand; both work well.

• 1 cup sour cream or plain Greek yogurt

  • Sour cream gives a classic tangy flavor.
  • Greek yogurt adds extra protein and a lighter feel.

• 1 cup chicken broth

  • Use low sodium broth so you control the salt.
  • Bouillon paste or cubes work if you do not have boxed broth; just mix with hot water.

• 3 cloves garlic, minced

  • Use garlic powder if you need a shortcut: 1 teaspoon garlic powder replaces the fresh cloves.

• 1 teaspoon onion powder

• 1 teaspoon dried Italian seasoning or dried oregano + basil mix

• ½ teaspoon smoked paprika or sweet paprika

• ½ to 1 teaspoon kosher salt, to taste

• ½ teaspoon black pepper

Cheese

• 1½ cups shredded mozzarella cheese

  • Pre-shredded works fine here and saves time.
  • Use part skim mozzarella if you want a slightly lighter casserole.

• ½ cup grated Parmesan cheese

  • Freshly grated melts smoother, but the green can works in a pinch.

Optional add-ins

• 1 cup cooked rice or cooked small pasta

  • Stir into the sauce if you want a more filling, all-in-one meal.

• ½ cup cooked, crumbled bacon

  • Adds smoky flavor and crunch on top.

• Pinch of red pepper flakes

  • Adds gentle heat without overpowering the creamy sauce.

Pantry shortcuts

• Use rotisserie chicken instead of raw chicken if you want a faster version.
• Use frozen spinach and jarred minced garlic to cut prep time.
• Use pre-shredded cheese to avoid extra grating and dishes.

Equipment list

• 9×13 inch baking dish
• Cutting board and sharp knife
• Large mixing bowl
• Whisk or sturdy spoon
• Measuring cups and spoons
• Foil for covering the casserole
• Tongs or spatula for serving

Tips & Tricks

• Slice chicken into thin, even cutlets so it cooks quickly and stays juicy.
• Pat chicken dry and season both sides generously before you add the sauce.
• Soften cream cheese to room temperature so it blends smoothly without lumps.
• Whisk the cream cheese with a splash of warm broth first, then add the rest of the liquid.
• Squeeze frozen spinach very dry so it does not water down the sauce.
• Taste the sauce before baking and adjust salt, pepper, and garlic to your preference.
• Cover the casserole for most of the baking time so the chicken cooks gently.
• Remove the foil near the end so the cheese browns and bubbles.
• Let the casserole rest 5 to 10 minutes before serving so the sauce thickens slightly.
• Use a thermometer and cook chicken to 165°F so it stays safe and tender, not dry.

How to Make Chicken and Spinach Casserole with Cream Cheese

Step 1: Prep the oven and dish

Preheat your oven to 375°F. Lightly grease a 9×13 inch baking dish with oil or cooking spray. This step keeps the casserole from sticking and makes cleanup easier.

Step 2: Season the chicken

Slice chicken breasts into thin cutlets if they look thick. Pat them dry with paper towels so the seasoning sticks well. Season both sides with salt, pepper, a pinch of paprika, and a little Italian seasoning.

Step 3: Arrange the chicken

Lay the seasoned chicken pieces in a single layer in the baking dish. Tuck smaller pieces toward the center so they do not overcook. Leave a little space between pieces so the sauce can flow around them.

Step 4: Mix the cream cheese base

Place softened cream cheese in a large mixing bowl. Add a few tablespoons of warm chicken broth and whisk until the mixture looks smooth and creamy. Add the remaining broth, sour cream or Greek yogurt, garlic, onion powder, Italian seasoning, paprika, salt, and pepper.

Whisk until the sauce looks smooth and well combined. Taste and adjust seasoning with more salt, pepper, or garlic if you want a stronger flavor. The sauce should taste slightly salty and flavorful since it will coat the chicken and spinach.

Step 5: Add the spinach

Stir the chopped fresh spinach into the cream cheese mixture. The spinach will look like a lot at first, but it wilts down as it bakes. If you use frozen spinach, break up any clumps and fold it in gently.

If you want to add cooked rice or pasta, stir it into the sauce at this stage. Make sure everything looks evenly coated so each bite gets chicken, spinach, and creamy sauce.

Step 6: Pour sauce over the chicken

Pour the spinach and cream cheese mixture evenly over the chicken in the baking dish. Use a spatula to spread it so every piece of chicken sits under a cozy blanket of sauce. Sprinkle half of the mozzarella and half of the Parmesan over the top.

Cover the dish tightly with foil. This step keeps moisture in and helps the chicken cook gently in the creamy sauce.

Step 7: Bake the casserole

Place the covered baking dish in the preheated oven. Bake for 20 to 25 minutes if you use thin cutlets, or 25 to 30 minutes if your pieces run thicker. The sauce should bubble around the edges, and the chicken should reach 160°F at this point.

Step 8: Add more cheese and finish baking

Remove the foil carefully so the steam escapes away from you. Sprinkle the remaining mozzarella and Parmesan evenly over the top. Add bacon and a pinch of red pepper flakes if you use them.

Return the casserole to the oven, uncovered. Bake another 8 to 12 minutes until the cheese melts, turns golden in spots, and the chicken reaches 165°F in the thickest part. If you want a deeper golden top, switch the oven to broil for 1 to 2 minutes and watch closely.

Step 9: Rest and serve

Take the casserole out of the oven and let it rest for 5 to 10 minutes. The sauce will thicken slightly and cling better to the chicken and spinach. Scoop generous portions with a large spoon or spatula and serve hot.

What to Serve with Chicken and Spinach Casserole with Cream Cheese

Serve this Chicken and Spinach Casserole with Cream Cheese over fluffy white rice, brown rice, or simple buttered noodles to soak up the creamy sauce. Steamed broccoli, green beans, or roasted carrots pair nicely and keep the plate colorful. You can also add a crisp side salad with a light vinaigrette to balance the richness. For drinks, try iced tea, sparkling water with lemon, or a simple fruit spritzer.

Storage Options

• Cool leftovers to room temperature, then store in an airtight container in the fridge for up to 3 to 4 days.
• Reheat single portions in the microwave at medium power, stirring halfway, until hot and creamy.
• Reheat a larger amount in a covered baking dish at 325°F until it warms through and the sauce bubbles at the edges.
• Freeze cooled portions in freezer-safe containers for up to 2 months, then thaw overnight in the fridge before reheating.
• Add a splash of milk or broth when reheating if the sauce looks too thick, and stir gently to bring back the creamy texture.

Chicken and Spinach Casserole with Cream Cheese

Chicken and Spinach Casserole with Cream Cheese is a rich, creamy, and cheesy baked chicken dish with spinach and garlic, perfect for busy weeknights or casual entertaining.

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Prep Time 15 minutes mins

Cook Time 30 minutes mins

Total Time 45 minutes mins

Servings: 6

Course: Chicken

Ingredients

  

• 1.5–2 pounds boneless skinless chicken breasts, sliced into thin cutlets
• kosher salt, to taste
• black pepper, to taste
• smoked or sweet paprika, for seasoning
• dried Italian seasoning, for seasoning

• 8–10 ounces fresh baby spinach, roughly chopped

• 8 ounces cream cheese, softened
• 1 cup sour cream or plain Greek yogurt
• 1 cup low sodium chicken broth
• 3 cloves garlic, minced
• 1 teaspoon onion powder
• 1 teaspoon dried Italian seasoning
• 1/2 teaspoon smoked or sweet paprika
• 1/2–1 teaspoon kosher salt, to taste
• 1/2 teaspoon black pepper

• 1 1/2 cups shredded mozzarella cheese, divided
• 1/2 cup grated Parmesan cheese, divided

• 1 cup cooked rice or small pasta
• 1/2 cup cooked crumbled bacon
• 1 pinch red pepper flakes

Instructions

 

1. Preheat oven to 375°F (190°C). Lightly grease a 9x13 inch baking dish with oil or cooking spray.
2. Pat chicken cutlets dry with paper towels. Season both sides with salt, pepper, a pinch of paprika, and a little Italian seasoning.
3. Arrange the seasoned chicken in a single layer in the prepared baking dish, tucking smaller pieces toward the center.
4. In a large mixing bowl, add the softened cream cheese and a few tablespoons of warm chicken broth. Whisk until smooth and creamy, then whisk in the remaining broth, sour cream or Greek yogurt, garlic, onion powder, Italian seasoning, paprika, salt, and pepper until well combined. Taste and adjust seasoning.
5. Stir the chopped spinach into the cream cheese mixture until evenly distributed. If using cooked rice or pasta, fold it in now.
6. Pour the spinach and cream cheese mixture evenly over the chicken in the baking dish, spreading so all pieces are covered. Sprinkle half of the mozzarella and half of the Parmesan over the top. Cover tightly with foil.
7. Bake, covered, for 20–25 minutes for thin cutlets or 25–30 minutes for thicker pieces, until the sauce is bubbling at the edges and the chicken is close to done (about 160°F in the thickest part).
8. Remove the foil. Sprinkle the remaining mozzarella and Parmesan evenly over the top. Add bacon and a pinch of red pepper flakes if using.
9. Return the dish to the oven, uncovered, and bake for 8–12 minutes more, until the cheese is melted, golden in spots, and the chicken reaches 165°F in the thickest part. Broil for 1–2 minutes at the end if you want a deeper golden top, watching closely.
10. Let the casserole rest for 5–10 minutes before serving so the sauce thickens slightly. Serve hot, scooping generous portions of chicken, spinach, and sauce.

Notes

Nutrition Information
Approximate per serving (about 1/6 of recipe, without optional rice/pasta or bacon): 430 calories; fat 29 g; saturated fat 15 g; carbohydrates 8 g; fiber 1 g; sugars 3 g; protein 34 g; sodium 730 mg. Values will vary based on specific ingredients, add-ins, and portion size.

Storage
Cool completely, then refrigerate in an airtight container for 3–4 days. Reheat individual portions in the microwave or larger portions in a covered baking dish at 325°F until heated through. Add a splash of milk or broth when reheating if the sauce seems too thick. For longer storage, freeze cooled portions up to 2 months and thaw overnight in the refrigerator before reheating.