Cheesy Chicken & Spinach Alfredo Bake

If you’re craving a comforting, cheesy pasta dish that’s packed with protein and veggies, this Cheesy Chicken & Spinach Alfredo Bake is your new go-to meal. Combining tender shredded chicken, fresh spinach, and a creamy Alfredo sauce all baked to bubbly perfection, this dish is a family favorite that’s easy enough for a weeknight but impressive enough for guests. It’s a cozy, flavorful casserole that brings together all the best elements of classic Italian comfort food in one pan.

Why It Deserves a Spot

This Cheesy Chicken & Spinach Alfredo Bake deserves a spot on your dinner rotation for several reasons. First, it’s incredibly versatile—perfect for using up leftover chicken and spinach while delivering a rich flavor that’s always satisfying. The creamy Alfredo sauce is luxurious yet simple, and the addition of mozzarella and parmesan cheese adds a gooey, golden crust that everyone loves. Plus, the spinach brightens the dish with a fresh, healthy touch, making this a balanced meal that feels indulgent without being heavy.

Whether you’re meal prepping or looking for a crowd-pleaser, this bake hits the mark every time. You can easily swap the pasta shape or add your favorite extras, making it a flexible recipe that fits your kitchen style. If you love dishes like Baked Chicken Ziti Alfredo, you’re going to adore this version, packed with wholesome ingredients and big, comforting flavors.

Ingredient Rundown

• 2 cups cooked pasta (penne or rotini): These pasta shapes hold the sauce beautifully and provide a satisfying bite.
• 2 cups cooked chicken, shredded: Adds hearty protein and a tender texture. Use cooked chicken breast or thigh meat for best results.
• 2 cups fresh spinach, chopped: Gives the dish a vibrant color and a nourishing boost.
• 1 cup heavy cream: Creates the rich and creamy Alfredo base that coats every ingredient.
• 1 cup shredded mozzarella cheese: Melts into a stringy, gooey topping that keeps the bake irresistible.
• 1 cup shredded parmesan cheese: Offers a sharp, nutty flavor that deepens the sauce.
• 1 teaspoon garlic powder: Adds aromatic depth without overpowering.
• 1 teaspoon onion powder: Enhances the savory notes.
• Salt to taste: Brings out the flavors.
• Pepper to taste: Adds a mild heat and balance.
• 1 tablespoon olive oil: Used to gently sauté spinach or to add richness.
• 1/2 teaspoon red pepper flakes (optional): For a subtle spicy kick that contrasts beautifully with the creamy sauce.

Appliances & Accessories

• Large pot: To boil pasta.
• Skillet or frying pan: For sautéing spinach and warming chicken if needed.
• Mixing bowl: To combine pasta, chicken, spinach, and sauce.
• Baking dish (8×8 or similar): Ideal for assembling and baking the casserole.
• Cheese grater: For shredding mozzarella and parmesan if you buy them block-style.
• Measuring cups and spoons: For accurate ingredient portions.

Stepwise Method: Cheesy Chicken & Spinach Alfredo Bake

Step 1: Cook the Pasta

Bring a large pot of salted water to a boil. Add 2 cups of penne or rotini pasta and cook according to package instructions until al dente. Drain and set aside.

Step 2: Prepare the Chicken and Spinach

If your chicken isn’t cooked yet, cook it thoroughly and shred it. In a skillet, warm 1 tablespoon olive oil over medium heat. Add the chopped fresh spinach and sauté until just wilted, about 2-3 minutes. Remove from heat.

Step 3: Make the Alfredo Sauce

In a mixing bowl, combine 1 cup heavy cream, 1 teaspoon garlic powder, 1 teaspoon onion powder, salt, and pepper to taste. Stir in 1 cup shredded mozzarella and 1 cup shredded parmesan cheese until the sauce is creamy and the cheese begins to melt.

Step 4: Combine Ingredients

In a large bowl, mix together the cooked pasta, shredded chicken, sautéed spinach, and creamy Alfredo sauce. If you want a little extra heat, sprinkle 1/2 teaspoon red pepper flakes into the mixture and stir well.

Step 5: Assemble the Bake

Transfer the mixture into a greased baking dish. Spread it evenly and top with an additional sprinkle of mozzarella and parmesan, if desired, for extra cheesiness.

Step 6: Bake Until Golden

Preheat the oven to 350°F (175°C). Bake the dish uncovered for 20-25 minutes or until the top is golden and bubbly.

Step 7: Serve and Enjoy

Let the bake cool for 5 minutes before serving. This dish pairs wonderfully with a simple green salad or your favorite garlic bread. For a fun twist, try this recipe alongside a Chicken Alfredo Breadbowl for a saucy, cheesy feast.

Tailor It to Your Diet

• Use whole wheat or gluten-free pasta to suit dietary preferences.
• Swap heavy cream for coconut cream or cashew cream for a dairy-free alternative.
• Replace mozzarella and parmesan with plant-based cheese for a vegan-friendly version.
• Add mushrooms, sun-dried tomatoes, or artichokes for extra veggies and flavor.
• Use rotisserie chicken for a quicker prep.
• Omit red pepper flakes if you prefer a milder dish.

Errors to Dodge

• Don’t overcook the pasta initially. It should be al dente as it will continue cooking in the oven.
• Avoid using pre-shredded cheese with added anti-caking agents that can affect melting quality.
• Be cautious with the salt—both the cheese and cream add saltiness, so season gradually.
• Don’t skip sautéing the spinach as it releases moisture that could otherwise make the bake watery.
• Ensure the chicken is fully cooked and shredded evenly to distribute protein throughout the dish.

Prep Ahead & Store

You can prepare this Cheesy Chicken & Spinach Alfredo Bake a day in advance. Assemble the dish, cover it tightly with foil or plastic wrap, and refrigerate. When ready to enjoy, bake it straight from the fridge, adding a few extra minutes to the baking time. Leftovers keep well in an airtight container in the fridge for up to 3 days. Reheat in the oven or microwave until warmed through. You can also freeze the baked casserole for up to 2 months—just thaw overnight in the fridge before reheating.

Top Questions & Answers

Can I use frozen spinach instead of fresh?

Yes, you can substitute frozen spinach, but be sure to thaw it completely and squeeze out all excess water before mixing it into the bake to avoid a soggy casserole.

What type of chicken works best for this recipe?

Cooked, shredded chicken breast or thigh works well. Rotisserie chicken is a convenient shortcut and adds great flavor without extra prep time.

Can I make this recipe dairy-free?

Absolutely! Use dairy-free cream substitutes like coconut cream and swap mozzarella and parmesan for plant-based cheeses designed for melting.

How spicy is this dish with red pepper flakes?

The 1/2 teaspoon of red pepper flakes adds just a gentle heat that enhances the flavor without overpowering the creamy sauce. You can adjust or omit them based on your spice tolerance.

What to Make After This

• Spinach And Ricotta Stuffed Shells – Another cheesy, spinach-packed pasta dish with a different twist.
• Baked Chicken Ziti Alfredo – A similar creamy casserole perfect for pasta lovers.
• Chicken Alfredo Breadbowl – For when you want your Alfredo with an edible bread bowl to scoop every last bit.

The Last Word

This Cheesy Chicken & Spinach Alfredo Bake is a celebration of creamy, cheesy comfort food that doesn’t sacrifice nutrition or flavor. It’s simple to make, customizable, and always hits the spot. Whether it’s a busy weeknight or a weekend gathering, this dish brings warmth and satisfaction to the table every time.

From the tender shredded chicken and fresh spinach to the luscious Alfredo sauce and melty cheese topping, every bite is rich and rewarding. You’ll find yourself coming back to this recipe again and again, especially when you want a no-fuss meal that tastes like it took hours to prepare. So grab your ingredients, preheat that oven, and get ready for a deliciously cheesy dinner!

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