Creamy Chicken and Spinach Casserole

Creamy Chicken and Spinach Casserole is a comforting, hearty dish that’s loaded with tender chicken, fresh spinach, and a rich, creamy cheese sauce. Baked until golden and bubbly, this easy casserole is perfect for weeknight dinners, potlucks, or meal prep.

Why You’ll Love This Recipe

This casserole is a one-dish wonder—packed with protein and greens, and smothered in a creamy, cheesy sauce. It’s simple to prepare, family-friendly, and incredibly satisfying. Whether you’re looking to use up leftover chicken or want a wholesome make-ahead meal, this recipe delivers flavor and convenience in every bite.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• Cooked chicken breast or thighs (shredded or cubed)
• Fresh spinach (or frozen, thawed and drained)
• Cream cheese
• Sour cream or plain Greek yogurt
• Shredded mozzarella cheese
• Grated parmesan cheese
• Garlic, minced
• Onion, finely chopped
• Olive oil or butter
• Salt
• Black pepper
• Italian seasoning
• Cooked pasta (optional, for a more filling dish)
• Optional topping: crushed Ritz crackers or breadcrumbs

directions

1. Preheat the oven to 375°F (190°C).
2. Heat olive oil or butter in a skillet over medium heat. Add onion and cook until soft, about 4 minutes. Add garlic and sauté for 30 seconds.
3. Stir in fresh spinach and cook until wilted. Remove from heat.
4. In a large bowl, mix together cream cheese, sour cream, mozzarella, parmesan, Italian seasoning, salt, and pepper until smooth.
5. Add in cooked chicken and the spinach mixture. Stir until well combined.
6. (Optional) If using pasta, mix in the cooked pasta at this stage.
7. Transfer mixture to a greased 9×13-inch baking dish.
8. Sprinkle extra cheese or crushed crackers/breadcrumbs on top.
9. Bake for 20–25 minutes or until the casserole is hot and bubbly, and the top is golden.
10. Let rest for 5 minutes before serving.

Servings and timing

This recipe serves 6 people.
Prep time: 15 minutes
Cook time: 25 minutes
Total time: 40 minutes

Variations

• Add cooked pasta or rice to make it more filling.
• Use rotisserie chicken for a quicker prep.
• Add mushrooms or broccoli for extra vegetables.
• Use low-fat cream cheese and yogurt for a lighter version.
• Top with crushed crackers or breadcrumbs for extra texture.

storage/reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the oven at 350°F (175°C) until warmed through, or microwave individual portions for 1–2 minutes. This casserole can also be frozen—cool completely, wrap tightly, and freeze for up to 2 months. Thaw overnight before reheating.

FAQs

Can I use frozen spinach?

Yes, thaw and squeeze out all excess moisture before adding it to the casserole.

Can I make this casserole ahead of time?

Absolutely. Assemble it up to a day in advance and refrigerate. Bake just before serving.

What kind of chicken works best?

Cooked and shredded chicken breast or thighs both work great. Rotisserie chicken is a time-saver.

Is it okay to use low-fat dairy?

Yes, low-fat cream cheese and Greek yogurt work well, but the texture may be slightly less rich.

Can I freeze this casserole?

Yes, freeze before or after baking. Make sure it’s well wrapped and thaw before reheating.

What can I serve with this casserole?

It pairs well with a side salad, roasted vegetables, or crusty bread.

Is this casserole keto-friendly?

Without pasta or breadcrumbs, it’s relatively low in carbs and fits a keto lifestyle.

Can I make it vegetarian?

Yes, skip the chicken and add extra veggies or use plant-based meat alternatives.

How do I prevent the casserole from drying out?

Don’t overbake, and ensure there’s enough creamy mixture to coat the chicken and spinach.

Can I use other cheeses?

Definitely—try gouda, provolone, or fontina for different flavors.

Conclusion

Creamy Chicken and Spinach Casserole is a deliciously simple dish that brings comfort and nourishment to your table. With a rich, cheesy sauce and tender chicken, it’s perfect for cozy dinners or make-ahead meals. Easy to customize and always satisfying, this casserole is bound to become a household favorite.

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