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Home Recipe Index Freezer Meals Freezer Casseroles

Chicken Spaghetti

4.8 /5
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Polly Conner
By: Polly ConnerPosted: 5/28/22Updated: 2/12/23

This post may contain affiliate or sponsored links. Please read our disclosure policy.

Chicken Spaghetti is an easy, cheesy, make-it-again-soon-please casserole that your whole family will love. We teach you how to make it fresh AND how to prep it ahead to be a freezer meal.

Freezer-friendly chicken spaghetti in  white casserole dish. this …


 
Table of Contents
  • Why Chicken Spaghetti Is a Family Favorite
  • Ingredients for Chicken Spaghetti
  • Step-by-Step Overview of the Recipe
  • Can You Freeze Chicken Spaghetti?
  • How to Freeze as a Meal Kit
  • Free Freezer Meal Labels
  • Recipe FAQs
  • What to Serve with Chicken Spaghetti
  • More Chicken Casseroles to Try
  • Chicken Spaghetti

Why Chicken Spaghetti Is a Family Favorite

When I made this chicken spaghetti recipe for the first time last week, my husband ate it for about 5 meals in a row and proceeded to ask me to make it again the next week.

My kids eagerly scarfed it down as well. Tonight’s batch ended up on about every area of exposed skin on my 18-month-old, but I take that as a sign he liked it.

Dishes that include veggies, protein, and things like rice or pasta all in one are such a time saver! We have several that are kid-friendly, and quick like Chicken Penne Pasta, Cheesy Chicken and Rice Casserole, and Easy Chicken Fried Rice.

Needless to say, this recipe is a keeper! It’s a great meal for groups of people too!

Ingredients for Chicken Spaghetti

Here’s what you’ll need to make this dish:

  • Spaghetti or thin spaghetti noodles – I prefer to use whole wheat.
  • Cream of mushroom soup – Use organic soup, if possible, to avoid additives and preservatives. Or, use our Homemade Cream of Chicken Soup instead.
  • Cooked chicken – Use store-bought rotisserie chicken to save time.
  • Chicken broth or stock – Here is how to make your own.
  • Chopped veggies – Chop them finely by hand or in a food processor, if they will throw picky eaters off.
  • Cheese – Here’s why you should shred your own cheese.
  • Seasonings – You probably have all of these in your pantry.
Chicken spaghetti ingredients measured out and labeled.

Step-by-Step Overview of the Recipe

This is a great beginner recipe or weeknight dinner when you don’t have much time. Here’s how to make it step-by-step.

Cook the Pasta

Cook the pasta according to the package instructions, until al dente (slightly undercooked). Undercooking it keeps it from getting mushy while baking. This is especially important to do if you are going to make this a freezer meal.

While it cooks, preheat the oven and grease the casserole dish(es) with cooking spray.

Chop and Saute the Veggies

While that pasta is cooking, this is also a great time to chop and saute those veggies. Multitasking is your friend for this recipe.

Combine the Ingredients

In a large mixing bowl, gently stir together the cooked pasta, cream of mushroom soup, chicken broth, chopped/shredded chicken, veggies, seasoning, and only 1 1/2 cups of shredded cheese.

Now please take note of this: Add in only 1 1/2 cups of the cheese. I always get moving too fast and add it ALL in at this point. You need some to sprinkle over the top so restrain yourself!

Chicken spaghetti ingredients all mixed together in a metal mixing bowl.

Here it is all mixed up. Yum. Or yuck. Not sure.

Place in Casserole Dish

Either divide the mixture between two 8×8 dishes or put it all in one 9×13 dish. Top with remaining cheese. Assuming you listened to my warning above about not mixing in all of the cheese, that is.

An 8x8 baking dish with chicken spaghetti prepped for the oven.
Bake the Casserole

Bake in a 350°F oven for 40-45 minutes, until the edges are bubbly. If the top begins to get too brown, cover with foil. Remove and let cool slightly. Serve warm.

Freezer-friendly chicken spaghetti in a white baking dish ready to be served.

Can You Freeze Chicken Spaghetti?

In our 15+ years of freezing cooking experience and recipe testing for our cookbooks, we’ve learned that casseroles like chicken spaghetti work very well to freeze. However, make sure to use our pro tips to ensure it comes out tasting just like a fresh meal.

Tip #1: Freeze Before Baking

While you can freeze a casserole after baking, we highly recommend the opposite. Prep the casserole up until the point of baking and then freeze it, if you want the dish to taste fresh after being in the freezer.

Tip #2: Reduce Air Exposure

We always teach that air is the enemy of good freezer meals. So be sure to wrap your casserole very tightly in a few layers of plastic wrap and/or foil. If using an air-tight lid on your casserole dish, we recommend placing a layer of foil over the surface of the casserole, as well. Packaging a freezer meal well will result in a great dinner on the other end of it’s stay in the freezer.

Tip #3: Thaw the Right Way

Lastly, thawing the meal fully in the refrigerator will yield the best results. Give your casserole at least 24-48 hours to thaw completely. Then, when you’re ready to bake it, set it on the counter for about 30 minutes before placing in the oven to help it come up to room temp.

If you want the quick version of how to make it a freezer meal kit, use the following instructions.

How to Freeze as a Meal Kit

Freeze For Later: Follow Steps 1-5 (do not bake). Cover the casserole dishes with a few layers of plastic wrap and foil. Squeeze out any excess air and freeze.

Prepare From Frozen: Thaw. (Here are three safe ways to thaw freezer meals.) Follow step 6. If it’s still slightly frozen in the middle, you’ll just have to cook it longer than the recipe calls for or defrost a bit in the microwave before baking. Cover it with foil if the top gets too brown in the oven.

Casserole dish covered in foil with a label that says Chicken Spaghetti.

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Recipe FAQs

Can I use different types of cheese?

Yes! While melty shredded cheddar is a standard of this kind of casserole, try experimenting using other cheeses, such as Pepper Jack for a little kick of heat, Gruyere for a more gourmet casserole, or even goat cheese or feta cheese crumbles. This casserole is very forgiving, so don’t be afraid to experiment a bit.

What kind of chicken should I use?

This recipe calls for cooked and diced/shredded chicken (white or dark meat) as an ingredient. Rotisserie chicken from the store is a smart shortcut. One whole chicken usually yields about 4 cups shredded chicken. Or, you can 1) use our fast cooking instructions in the recipe notes, 2) cook chicken in the Crock Pot, or 3) cook chicken in the Instant Pot ahead of time.

Can I prepare the casserole in advance?

This casserole is a great one to prepare in advance. After prepping but before baking it, you can store it in the refrigerator for up to 3 days or in the freezer for up to 3 months.

What kinds of vegetables can I add to the casserole?

I used bell peppers and onion. But, feel free to swap out any of these for what you have on hand. Finely chopped and sautéed carrots, celery, broccoli, cauliflower, sweet potato, parsnips, turnips, green beans, and more would work!

Is this casserole freezer-friendly?

Absolutely! Like all our freezer meal recipes, we offer freezing instructions for the best result. We’ve learned that it’s ideal to freeze casseroles like this one before baking so they turn out tasting fresh. After putting the casserole together but before baking it, tightly wrap the dish in a few layers of plastic wrap or foil, pressing out any air. Freeze for up to 3 months.

Can I cook this casserole from frozen?

In my 15+ years of freezer cooking experience, I’ve found that cooking casseroles that are frozen solid can yield sub-optimal results. Oftentimes, they turn out dry and overcooked on the edges while still cold in the middle. The best option is to thaw this casserole completely in the refrigerator for 24-48 hours (or in a pinch use the defrost setting on the microwave) and then bake according to the recipe directions.

What to Serve with Chicken Spaghetti

Here are so tasty side dishes to serve with your casserole:

Autumn Salad tossed with apple cider vinaigrette in a white bowl on a wooden cutting board.

Autumn Chopped Salad with Apple Cider Vinaigrette

Roasted broccoli on a baking sheet covered with parchment paper.

Oven Roasted Broccoli

Texas toast stacked up on a plate.

Texas Toast

Wilted Lettuce Salad with dressing being poured on top.

Wilted Lettuce Salad

More Chicken Casseroles to Try

If you like this casserole, you’re sure to love some of these other favorite chicken casseroles:

  • Cheesy Chicken and Rice Casserole
  • Chicken Parmesan Casserole
  • Chicken and Stuffing Casserole (or Turkey Stuffing Casserole)
  • Chicken Fajita Casserole
  • Cheesy Chicken Enchiladas
  • Chicken and Broccoli Alfredo Bake

Be sure to throw Chicken Spaghetti on your menu plan soon and remember to double it so you can have one in the freezer for later. Done and done!

Did you make this? Snap a photo and tag us on Instagram at @thrivinghome so we can see your creations and cheer you on!

Chicken spaghetti in a white baking dish.
5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.8 from 20 reviews

Chicken Spaghetti

This freezer-friendly Chicken Spaghetti recipe will keep your family coming back for more deliciousness. 

Yield: 8 servings 1x
Prep: 20 minsCook: 40 minsTotal: 1 hour
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Ingredients

  • 1 pound whole wheat spaghetti
  • 2 (10.75 ounce) cans condensed cream of mushroom soup (sub: Cream of Chicken Soup)
  • 1 cup chicken broth
  • 2–3 chicken breasts, fully cooked and chopped/shredded (roughly 3 cups)
  • 1 tablespoon olive oil or avocado oil
  • 1/2 cup finely diced green bell pepper
  • 1/2 cup finely diced red bell pepper
  • 1 small or medium onion, finely diced
  • 1 teaspoon seasoned salt, such as Lawry’s Seasoned Salt or use this DIY recipe
  • 1/8 – 1/4 teaspoon cayenne pepper
  • 2 1/2 cups shredded sharp Cheddar, divided

Before You Begin! If you make this, please leave a review and rating letting us know how you liked this recipe! This helps our business thrive & continue providing free recipes.

Instructions

Make It Now:

  1. Preheat the oven to 350°F. Grease a 9×13 inch casserole dish or two 8×8 dishes with cooking spray.
  2. Cook the pasta according to the package instructions, until al dente (slightly undercooked). Be sure to generously salt the cooking water. When the pasta is done, drain it in a colander over the sink.
  3. While pasta is cooking, heat the oil in a large skillet over medium-high heat. When the oil is shimmery, add the bell peppers & onions and saute until they begin to soften, about 4-5 minutes. Season lightly with salt and pepper as they cook. Remove from the heat.
  4. In a large mixing bowl, gently stir together the cooked pasta with the cream of mushroom soup, chicken broth, chopped chicken, sautéed veggies, seasoned salt, cayenne, and 1 1/2 cups of the cheese. 
  5. Place the mixture in the dish (or dishes) and top with the remaining 1 cup of cheese. (Freezing instructions begin here.)
  6. Bake until bubbly around the edges, about 40-45 minutes. (If the cheese on top starts to get too dark, cover with foil.) Let cool slightly and serve warm. Taste and season with more salt and pepper as needed.

Freeze For Later: Follow steps 1-5 (do not bake). Cover the casserole dishes with a few layers of plastic wrap and foil. Squeeze out any excess air and freeze.

Prepare From Frozen: Thaw. (Here are three safe ways to thaw freezer meals.) Follow step 6. If it’s still slightly frozen in the middle, you’ll just have to cook it longer than the recipe calls for or defrost a bit in the microwave before baking. Cover it with foil if the top gets too brown in the oven.


Notes/Tips

Where We Get Our Chicken: We get our meat from ButcherBox. The chicken is organic and curated from small, trusted farms. We highly recommend this service to source healthy meat–like uncured bacon, wild salmon, and grass-fed beef–and have used it for years ourselves. 

© Author: Polly Conner
Cuisine: American Method: Casserole

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Polly Conner

Polly Conner

As co-founder of Thriving Home, Polly’s passionate about helping busy parents get dinner on the table. With a house full of kids, dogs, and (usually) a DIY project in the works, she knows firsthand how every minute (and every dollar) counts. As a business owner, she enjoys wearing multiple hats and serves best as a project manager for Thriving Home.

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  1. Raquel says

    Posted on 6/23/24 at 8:44 pm

    Amazing! I halved everything & made 1 8×8 pan because there is only two of us, but I can definitely see why it would be good to freeze one or bring to a potluck. I was sceptical because I’ve never made a 1970s casserole, but I literally ate half the pan myself. Instead of using commercial cream of chicken soup cans, I made my own cream of celery soup because I am both gluten-free and lactose free. I also used broccoli instead of green pepper, but otherwise followed the recipe exactly. Definitely leave in around 41 to 42 minutes to brown the cheese! Absolutely amazing.

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 6/24/24 at 8:44 am

      So glad you loved this Raquel! Thanks for the detailed review with your substitutions as well.

      Reply
  2. Michelle Bollman says

    Posted on 2/21/24 at 8:01 pm

    I loved it. I did cook my chicken with a little garlic powder. My family enjoyed it and I will definitely make it again. Quick note: the math is not mathing on the times. Cook time can not be 30 minutes when in the recipe it says 40-45 min.

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 2/23/24 at 9:05 am

      So glad you enjoyed it Michelle. Thanks for catching our error on the time. I have updated it!

      Reply
  3. Rob Green says

    Posted on 1/7/24 at 12:42 am

    Great idea, but on the whole felt it was pretty bland. It needs a bit more pizazz. I was looking for an alternative for a post match meal for 40 16-18 year olds and came across this amongst others (usual fare is curry, chilli con carne, bolognese, meatballs, pizzas, mac cheese).

    I tried this on the family first. It got eaten and people had seconds. It is relatively easy to prep, mix and bake but it just misses that flavour kick. I substituted fusilli for the spaghetti as a pasta to hold the sauce and chicken. I loved the shredding of the chicken, normally I dice it. However, it may need more cayenne or adding something else like black pepper, worcestershire sauce or something else to lift it a bit. Perhaps a crispy capping layer to bring a different texture to the dish.

    Reply
    • Rachel Tiemeyer says

      Posted on 1/7/24 at 7:28 pm

      Thanks for your feedback. This was originally created for picky little kids in Polly’s house, but hopefully others will read this comment and feel the freedom to kick up the seasonings!

      Reply
  4. Dawn says

    Posted on 12/27/23 at 3:44 pm

    Extremely popular with 20plus age groups. I have made this several times and it is always a hit.

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 12/29/23 at 10:29 am

      Hi Dawn. So glad this recipe is always a hit for your groups. Thanks so much for taking time to leave a review.

      Reply
  5. Annabelle says

    Posted on 11/20/23 at 8:43 pm

    Am I able to make this a day or two ahead and just keep it refrigerated before baking it? Instead of freezing it beforehand?

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 11/21/23 at 10:23 am

      Hi Annabelle. Yes, this is a great dish to prep ahead of time. Put the casserole together but do not bake it. Tightly wrap with plastic wrap and store in the fridge for 1-2 days!

      Reply
  6. Mary Hibbard says

    Posted on 5/10/23 at 11:25 am

    I made this for our Sunday dinner with my nieces nephew and brother in law and they loved it but I changed it a little I sautéed an onion some carrots and Broccoli and threw that in and along with the soup I heated 1 cup of heavy cream 1 cup of Roasted chicken bullion and the cheese mixed it with the soup and poured that over the Spigetti it was so good my niece is making it again today ..their is so many variations of this dish..

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 5/11/23 at 9:55 am

      Hi Mary! Yes, so many ways to jazz this recipe up and change it every time you make it. Thank you for letting us know of your changes this time around. It sounds heavenly! If you make other yummy changes in the future, let us know. Sometimes we all need a little inspo from someone else’s experience. 🙂

      Reply
  7. Kathy says

    Posted on 5/8/23 at 3:40 pm

    Made this chicken spaghetti casserole for a youth group dinner. Not only the teens loved it, but the adults did too. Will make it again!

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 5/9/23 at 12:37 pm

      Nothing beats when kids and adults alike enjoy the same food! Bless you for making dinner for your youth group. And thank you for taking the time to leave a review Kathy!

      Reply
  8. Jenn says

    Posted on 3/17/23 at 11:06 pm

    Such a success in our house! And so easy! I replaced the 2-3 chicken breast with a rotisserie chicken and it made the recipe even easier! Love your guys recipes everytime I try a new one! ❤❤

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 3/19/23 at 3:48 pm

      Love those short cuts! Thanks for sharing Jenn.

      Reply
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