Creamy Chicken Spaghetti Casserole

 Creamy Chicken Spaghetti Casserole: The Ultimate Comfort Food Classic

When it comes to comfort food that hits all the right notes, nothing beats a bubbling dish of Chicken Spaghetti Casserole. It’s creamy, cheesy, and packed with tender chicken and perfectly cooked pasta—all baked into a golden, satisfying casserole that feels like a warm hug in every bite. Whether you're feeding a family, hosting a potluck, or just craving something cozy, this dish delivers hearty flavor and easy preparation, making it a beloved go-to across generations.

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🛒 Ingredients & Their Purpose

Each ingredient in this Chicken Spaghetti Casserole recipe plays a key role in creating its rich, comforting taste and irresistible texture:

12 oz spaghetti (broken in half): The heart of the casserole. Breaking it in half makes it easier to layer and mix evenly throughout.

2 cups cooked chicken (shredded or cubed): Adds lean protein and savory flavor. Rotisserie chicken works wonderfully here for added convenience.

1 can (10.5 oz) cream of chicken soup: Provides creamy depth and a savory chicken base that binds everything together.

1 can (10.5 oz) cream of celery soup: Balances the richness with mild herbal notes and a velvety texture.

1 cup sour cream: Adds tangy creaminess that enhances the flavor complexity.

1/2 cup milk: Thins the mixture slightly for a silky, scoopable casserole texture.

1/2 tsp garlic powder: Boosts flavor without overpowering the creamy base.

1/2 tsp onion powder: Enhances the savory profile in a subtle way.

1/2 tsp black pepper: Adds mild heat and depth.

1/2 tsp salt (or to taste): Brings all the flavors into balance.

2 cups shredded cheddar cheese (divided): Melts into gooey richness and adds that signature cheesy topping.

1/2 cup grated Parmesan cheese (optional): Offers a salty, nutty bite on top for a gourmet finish.

1/2 cup diced green bell pepper (optional): Adds color and gentle crunch to contrast the creaminess.

1/2 cup diced onion (optional): Introduces mild sweetness and aroma when sautéed or mixed in raw.

Nonstick cooking spray: Prevents sticking for easy serving and cleanup.

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  Step-by-Step Instructions

Step 1: Prepare the Pasta

Bring a large pot of salted water to a boil. Cook spaghetti until al dente, about 1–2 minutes less than the package directions. Drain and set aside.

Step 2: Create the Creamy Sauce

In a large mixing bowl, combine:

Cream of chicken soup

Cream of celery soup

Sour cream

Milk

Garlic powder, onion powder, salt, and pepper

Stir until completely smooth.

Step 3: Add the Chicken and Extras

Fold in the shredded chicken, half of the shredded cheddar cheese, and optional ingredients like bell pepper and onion if using.

Step 4: Combine Pasta and Sauce

Add the cooked pasta to the sauce mixture. Stir gently until all ingredients are evenly coated.

Step 5: Assemble the Casserole

Spray a 9x13-inch baking dish with nonstick spray. Pour in the chicken and pasta mixture, spreading evenly.

Step 6: Add the Cheese Topping

Sprinkle the remaining 1 cup of cheddar cheese over the top. Add Parmesan cheese if using.

Step 7: Bake to Perfection

Bake at 350°F (175°C) for 30–35 minutes, or until the casserole is bubbly and the cheese is melted and golden on top.

Step 8: Let It Rest

Remove from the oven and let it sit for 5–10 minutes before serving. This helps everything set up for clean slices and maximum flavor.

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  Why This Chicken Spaghetti Casserole Is So Loved

This dish wins hearts for several reasons:

Family-friendly: Kids and adults alike love its mild, creamy flavor.

Make-ahead magic: Prepare it the night before and bake when ready.

Crowd-pleaser: It’s the first thing to disappear at potlucks or gatherings.

Freezer-friendly: Make and freeze in advance for busy nights.

Budget-conscious: Uses pantry staples and stretches a little chicken a long way.

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  Pro Tips for Chicken Spaghetti Casserole Perfection

Use rotisserie chicken for juicy, flavorful meat and minimal prep.

Don’t overcook the pasta—slightly underdone noodles hold up better during baking.

Add a splash of chicken broth to loosen the sauce if it feels too thick before baking.

Sauté onions and peppers before mixing them in for deeper flavor and softened texture.

Try other cheeses like Monterey Jack or mozzarella for a twist on the classic cheddar.

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  Serving Suggestions

To complete this comforting casserole meal, serve with:

Garlic bread or buttery rolls for soaking up the sauce

A crisp green salad with a tangy vinaigrette to balance the richness

Steamed green beans or roasted broccoli for a wholesome veggie side

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  Final Thoughts: Why You Need This Recipe in Your Life

This Creamy Chicken Spaghetti Casserole is more than just a recipe—it's a solution for busy nights, a favorite at gatherings, and a dish that brings comfort and joy with every bite. It’s easy to prepare, endlessly adaptable, and deeply satisfying. Whether you're cooking for your family or just for yourself, this casserole is sure to earn a permanent place in your rotation.

Simple, delicious, and unfo

rgettable—this Chicken Spaghetti Casserole is everything a comfort food should be. Try it once, and it’ll become a beloved staple in your kitchen.