This ranch chicken spaghetti is a creamy, cheesy baked pasta recipe made with simple everyday ingredients. Ranch seasoning adds bold, zesty flavor without extra work, making this an easy family dinner for busy weeknights.
If you love comforting pasta casseroles, this chicken ranch spaghetti bake is a simple option with tender cooked chicken, spaghetti, a rich creamy sauce, and a golden mozzarella and parmesan topping.

Why you’ll love it
This ranch chicken spaghetti recipe is the kind of cozy casserole that feels homemade without requiring a long list of complicated ingredients. It uses cooked chicken, spaghetti, condensed cream of chicken soup, sour cream, broth, ranch seasoning, and plenty of cheese. The result is a creamy chicken pasta bake with lots of flavor and very little effort.
It is also a practical recipe for using leftover chicken or rotisserie chicken. Since the chicken is already cooked, the prep time stays short, and the oven does most of the work. The sauce is creamy and savory, the spaghetti bakes up tender, and the melted parmesan and mozzarella topping makes the whole dish feel extra comforting.
This easy ranch chicken pasta casserole is especially useful when you want a filling dinner that can feed the family without spending ages in the kitchen. It is rich, satisfying, and made with pantry-friendly ingredients that are easy to find.
What you’ll need
- Spaghetti – a classic choice for baked pasta because it holds the creamy sauce well.
- Condensed cream of chicken soup – a convenient shortcut that creates a thick, savory base for the casserole.
- Sour cream – adds creaminess with a light tang that balances the richness.
- Chicken broth – loosens the sauce and adds more chicken flavor.
- Seasoning – ranch seasoning, onion powder, garlic powder, and pepper give the dish its signature taste.
- Cooked chicken – leftover chicken or shredded rotisserie chicken both work well.
- Cheese – parmesan and mozzarella melt into a flavorful, bubbly topping. Freshly grated parmesan gives the best texture.

Helpful tips
- This casserole can be on the salty side because condensed soup, broth, ranch seasoning, and parmesan all contain salt. If you are sensitive to salt, use low-sodium chicken broth and low-sodium cream of chicken soup when possible.
- The recipe makes a generous amount of sauce. If you prefer a less saucy baked spaghetti, use a full 16 ounce package of pasta instead of 12 ounces.
- Cook the spaghetti slightly under the package directions so it does not become too soft while baking.
How to make ranch chicken spaghetti
This is a quick overview. The full ingredient amounts and step-by-step instructions are included in the recipe card below.

Preheat the oven and move the rack to the upper third. Boil the spaghetti for 2 minutes less than the package directions so it stays firm enough for baking. While the pasta cooks, stir together the cream of chicken soup, sour cream, chicken broth, ranch seasoning, onion powder, garlic powder, and pepper. Add the cooked chicken and mix until everything is evenly coated.

Drain the spaghetti and place it in a 9×13 casserole dish. Pour the creamy chicken mixture over the pasta and toss well so the sauce coats the noodles. Spread everything into an even layer, then sprinkle parmesan and mozzarella over the top. Bake uncovered until hot and bubbling. If you want a more golden cheese topping, broil it briefly while watching closely so it does not burn.
Tools for this recipe
- A 9×13 casserole dish is the right size for this ranch chicken spaghetti bake.
- Measuring cups and spoons help keep the sauce balanced.
- A fine grater or zester is helpful for freshly grated parmesan.
- A large pot is needed for boiling the spaghetti before baking.
Substitutions and variations
- Cream of mushroom soup or cream of celery soup can be used instead of cream of chicken soup if you prefer that flavor.
- If you want more control over the salt, use a homemade ranch seasoning mix or choose a lower-sodium store-bought option.
- Shredded rotisserie chicken is the easiest option, but any cooked chicken that has been chopped or shredded will work.
What to serve with ranch chicken spaghetti
- Because this casserole is creamy and rich, it pairs well with fresh bread, dinner rolls, or crusty bread.
- A simple green salad is a good lighter side dish to balance the cheesy pasta.
- Caesar salad also works nicely with the savory ranch chicken flavor.
Leftovers and storage
- Store leftovers in an airtight container in the refrigerator for 3 to 4 days.
- Reheat gently in the microwave or slowly on the stove over low heat to help keep the creamy sauce from separating.
- Freezing is not recommended for this dish because creamy, cheesy sauces can change texture after thawing.
More easy chicken recipe ideas
- Chicken bacon ranch pasta
- Cream of mushroom soup chicken
- Ranch chicken meatballs
- Crockpot ranch chicken tacos
- Cream of chicken soup chicken breasts

If you make this easy ranch chicken spaghetti casserole, leave a rating and a comment to share how it turned out.

Ranch Chicken Spaghetti
Ingredients
- 12 ounces uncooked spaghetti
- 2 (10.5 ounce) cans condensed cream of chicken soup
- 1 cup sour cream
- 1 cup low sodium chicken broth
- 1 tablespoon ranch seasoning mix
- 1/2 teaspoon onion powder
- 1/2 teaspoon garlic powder
- Pepper to taste
- 2 cups cooked or rotisserie chicken shredded or chopped
- 1/2 cup freshly grated parmesan
- 2 cups shredded mozzarella
Instructions
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Preheat the oven to 375F and move the oven rack to the top third of the oven.
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Bring a large pot of water to a boil and cook the spaghetti for 2 minutes less than the package directions indicate.
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While the pasta cooks, combine the condensed cream of chicken soup, sour cream, chicken broth, ranch seasoning, onion powder, garlic powder, and pepper in a bowl. Stir in the cooked chicken.
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Drain the spaghetti and add it to a 9×13 casserole dish.
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Pour the creamy chicken mixture over the spaghetti and toss until coated. Spread it evenly in the dish, then top with parmesan and mozzarella.
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Bake uncovered for 20 minutes, or until hot and bubbly. Broil for a few minutes if you want the cheese browned, watching carefully so it does not burn.
Notes
- Condensed soup, chicken broth, ranch seasoning, and parmesan can all add salt. Taste before adding any extra salt, and choose low-sodium products if needed.
- Use 12 ounces of spaghetti for a very creamy casserole. For a less saucy version, use a full 16 ounce package.
Nutrition
Carbohydrates: 54g,
Protein: 34g,
Fat: 28g,
Sodium: 1314mg
Nutrition information is automatically calculated and should be used as an approximation only.