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Hearty Chicken Spaghetti Casserole Recipe

Hearty Chicken Spaghetti Casserole Recipe

This gooey casserole is so hearty and homey, second helpings are a must! —Lynne German (field editor), Woodland Hills, California
TOTAL TIME: Prep: 25 min. Bake: 25 min. YIELD:6 servings


  • 8 ounces uncooked spaghetti, broken into 3-inch pieces
  • 3 cups cubed cooked chicken
  • 1 can (10-3/4 ounces) condensed cream of chicken soup, undiluted
  • 1 medium onion, chopped
  • 1 cup 2% milk
  • 1 cup (4 ounces) shredded sharp cheddar cheese, divided
  • 1 cup (4 ounces) shredded Swiss cheese, divided
  • 1 can (4 ounces) mushroom stems and pieces, drained
  • 1/2 cup chopped roasted sweet red peppers
  • 3 tablespoons mayonnaise
  • 1-1/2 teaspoons steak seasoning
  • 1/2 teaspoon dried basil


  • 1. Cook spaghetti according to package directions. Meanwhile, in a large bowl, combine the chicken, soup, onion, milk, 1/2 cup cheddar cheese, 1/2 cup Swiss cheese, mushrooms, peppers, mayonnaise, steak seasoning and basil.
  • 2. Drain spaghetti. Add to chicken mixture; toss to coat. Transfer to a greased 13x9-in. baking dish. Cover and bake at 350° for 20 minutes. Uncover; sprinkle with remaining cheeses. Bake 5-10 minutes longer or until heated through and cheese is melted. Yield: 6 servings.

Nutritional Facts

1-1/3 cups: 549 calories, 25g fat (11g saturated fat), 109mg cholesterol, 957mg sodium, 40g carbohydrate (6g sugars, 2g fiber), 38g protein.

Reviews for Hearty Chicken Spaghetti Casserole

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lisabendel User ID: 7457643 254615
Reviewed Sep. 25, 2016

"This looks so good! After reading all of the reviews, I'm definitely going to make it this week! The only thing I may do different is shred the chicken instead of cubing it (personal preference)."

tennehmcarter User ID: 8803515 245389
Reviewed Mar. 13, 2016

"I sauteed the onions and I used fresh mushrooms. Absolutely, scrumptious!"

cbenne12 User ID: 7424916 243805
Reviewed Feb. 14, 2016

"Full of flavor and really delicious! We used gouda instead of swiss and I think next time we will saute the veggies before mixing it all together."

maryann0725 User ID: 1000847 241647
Reviewed Jan. 13, 2016

"Made this the other day and it was wonderful a keeper for sure the only change I will make next time is to salute the onions first as they were not quite cooked through in the 20 min of cooking time otherwise wonderful will be making again"

Jksread User ID: 1838408 228023
Reviewed Jun. 16, 2015

"This looks very good, am going to try it this week, was wondering....what is everyone using for the steak seasoning?"

mezzie41 User ID: 8203587 218817
Reviewed Jan. 25, 2015

"I left out the red peppers and Swiss cheese. I added provolone. Lived this!"

Chris1414 User ID: 5738024 188410
Reviewed May. 19, 2014

"I thought about making this recipe, but then I looked at the nutritional information. I do not consider myself that health conscious, but there is no way that I would serve this to anyone that I love (i.e., anyone that I want to live). The recipe contains 25 grams of fat per serving (per 1 and 1/3 cups). I would imagine that most people would ultimately consume about 100 grams of fat per meal, correct? One serving of the meal also contains roughly half the sodium that a person should consume in one day. In light of the fact that a person is not going to just eat one serving, I would imagine that with this one meal, you would ultimately consume twice as much sodium as you're supposed to have in a whole day. I just cannot believe that something so unhealthy can receive so many positive reviews on this website. I love my family way too much to serve them up a heart attack."

Jenisl User ID: 6929561 211522
Reviewed Apr. 28, 2014

"Loved this. I added fresh spinach, since I had a bunch in the frig. My husband and I would definitely like to have this again."

Lindalang2014 User ID: 7739837 103704
Reviewed Mar. 29, 2014

"My husband is a picky Cajun, but when I made this...he LOVED it, and so did my kids. He even asked me the other day, when I was going to cook this again. It tasted as good as a restaurant meal, really! Instead of onion, I used minced onion, and used Mexican shredded, and cheddar cheese. I used half a can of Rotel, as well. I didn't care for the basil. Next time I won't use it. Everything else was perfect. Definitely a comfort food! :)"

Dustys1216 User ID: 6515916 103703
Reviewed Mar. 23, 2014


ncnanny77 User ID: 4200432 190672
Reviewed Feb. 21, 2014

"very good, left out basil as I'm not a fan, added a little garlic powder. daughter visited and wanted recipe."

Tammie2412 User ID: 7647254 146204
Reviewed Feb. 1, 2014

"Has anyone tried substituting minced onion to save the sauté onion step on a busy night? If so, how was it?

It drives me nuts when people review recipes@ make comments like, "way too much sodium" or "won't make because cream of soups are bad for you." Ok, get off your soapbox, quit preaching. Either make the recipe & review it or move on!!! Ok, rant over :-)"

tangomango User ID: 5621414 175427
Reviewed Oct. 15, 2013


HeiddiS User ID: 7397170 211521
Reviewed Sep. 4, 2013

"Found this recipe in a TOH cookbook that was labeled "Freezer Meals". Made a double batch, one to cook and one to freeze. Super easy recipe and the family loved it. I may add broccoli next time. Will definitely make again, hopefully it freezes well"

jheuser User ID: 6557246 186510
Reviewed Jun. 18, 2013

"This recipe is great, super easy, even a non-cook can make it. I tried to make it a little healthier by using whole wheat pasta and low sodium soup."

Joscy User ID: 2694585 171363
Reviewed May. 14, 2013

"YES, this dish is a definite keeper. Had pleasure of making, and true to its word ~~ delicious. Could not find shredded swiss, so used 8 oz. brick of swiss and created my own. Will make again and again. Thank you. K."

Amaree User ID: 7170333 171362
Reviewed Mar. 10, 2013

"Excellent recipe, shredded swiss is hard to find, so I also used mozzarella."

Cathy_E User ID: 5806244 170843
Reviewed Feb. 15, 2013

"We loved this recipe! Used fettuccine noodles in place of spaghetti but other than that followed recipe exactly. Perfect! This is a keeper for sure!"

gingergirl90 User ID: 7134587 186509
Reviewed Feb. 12, 2013

"I am making this recipie now. I did make some minor modifications to it. I cooked noodles to aldente and added raw chicken to it instead of cooked and added an additional 1/3 of a c up of milk to it to give it enough substance to cook the noodles the rest of the way. I also added 3 dollops of butter to the top of the casserole and baked for 45 min at 350! Gret recipie though! Thanks!"

Joscy User ID: 2694585 120736
Reviewed Jan. 22, 2013

"Forgot to mention, found recipe as I was making up my menu for nextweek. Will definitely make this one!!"

Joscy User ID: 2694585 187409
Reviewed Jan. 22, 2013

"Have not yet had pleasure of making this dish, but if it tastes as great and easy as it looks, it'll be a definite keeoper at my house!"

jeannob User ID: 4345521 187408
Reviewed Jan. 21, 2013

"Good all around chicken recipe. I did make a few minor changes, used 2 cups chicken and 3/4 cup roasted red pepper. Had homemade pesto so used that instead of the dry basil. I am currently growing mushrooms, so sauteed them in a small amount of butter along with the onions before adding to the dish. Next time I will roast the mushrooms. Our family of 2 will probably get 8 servings. I was a little concerned when I took it out as seemed to be too wet, but upon standing for a few minutes thicked up. Thanks for a nice recipe."

janetvinyard User ID: 4418529 106716
Reviewed Oct. 17, 2012

"My husband & I loved this recipe! I didn't have red peppers on hand so I substituted a 4-oz. can of chopped green chilies, used mozzarella instead of swiss cheese, & used whole grain spaghetti and it came out so flavorful! I agree with someone else who said it is comfort food. It was also good reheated as a leftover. Look forward to making it often. Thanks for a great recipe!"

tracy1231 User ID: 6011846 188408
Reviewed Sep. 11, 2012

"The family really enjoyed this."

mptwins User ID: 5671414 109900
Reviewed Jul. 27, 2012

"I was hoping this would turn out, my husband was looking for something new. Unfortunately, it didn't suit our tastebuds. We thought it was bland and mushy. I used everything needed except mozerella chesse I substituded for the swiss. I sauteed onion, mushrooms and red pepper and even grilled my chicken breast. Just not our flavor for food--could be because we don't care for cream of soups. Wouldn't recommend or retry. :("

chrisilbrink User ID: 6668992 170841
Reviewed Apr. 29, 2012

"Made it only once, but I recommend this one to everyone. The nice thing is you can reduce the amount of sodium(salt) without sacrificing flavor. A must for every cookbook."

crysjessjen3 User ID: 6211584 120735
Reviewed Apr. 19, 2012

"Followed recipe as written it and came out great. Good casserole if you would like something different. Also, husband loved it too."

Char9 User ID: 1270889 211520
Reviewed Apr. 6, 2012

"Why waste time on a recipe that will load you up with enough sodium to kill a horse from the canned soup? Yuk!"

amy_ackerson User ID: 6368919 189585
Reviewed Nov. 26, 2011

"My family really enjoyed this dish!"

Entiat User ID: 3256768 120729
Reviewed Nov. 17, 2011

"My familly loved this recipe, I added broccoli, sweet red peppers and mudhrooms.This has become one of our favorites."

stormxchaser57 User ID: 6115232 171358
Reviewed Sep. 11, 2011

"When I started to make this casserole, I was a little afraid of what my family would think about it, as I have a couple of picky eaters to feed. I was happy to find that my family did like this recipe. It was really creamy and definitely comfort food! The only complaint I got was that the onion was a bit too much, and I found that it was missing something...maybe a litte bit of spice. I was going to saute the onions as others have suggested, but I ran out of time. When I make this recipe again, I will saute the onions. I didn't have shredded swiss cheese so I substituted shredded mozzarella cheese and that turned out fine with the sharp cheddar cheese. I also made a couple of healthy changes by using fat free cheese, fat free soup, and whole wheat pasta. It turned out really well with these changes. It is also very easy to double. Great recipe!"

nanpatste User ID: 3622872 175425
Reviewed Sep. 10, 2011

"Excellent. I have made this for my family and friends. Everyone loves it."

MichiganCook User ID: 5393197 117472
Reviewed Aug. 25, 2011

"easy and yummy! I sauteed the onions, red peppers and fresh mushrooms (chose not to use canned) before adding the other ingredients. Delicious."

Brenda D User ID: 1438504 128470
Reviewed Aug. 17, 2011

"Very good recipe. I've made it several times over the years. Recently I experimented a little and tried it in the crock pot. I just barely softened my spaghetti in boiling water before adding to the crock pot and then added about a 1/2 cup of chicken stock to the crock pot. I also used sauted onions instead of throwing them in raw...just a quick hint...I saute 2 or 3 onions at one time and then store them in the fridge to use throughout the week. We like sauted onions in lots of dishes and it makes prepping a little quicker. I used part of a can of drained and chopped Italian tomatoes because my kids don't like red peppers."

cacklecackle User ID: 6098388 120728
Reviewed Aug. 16, 2011

"I took the reviews under advisement and sauteed the onion in a bit of olive oil before adding it to the remaining ingredients. Used Lawry's season salt for the steak seasoning and added a dash of cream in addition to the milk to give it some extra richness, although that really wasn't needed. I used roasted red bell peppers from a jar and I think I might add 1/4 cup more of those the next time because we love that flavor. Made a huge casserole but was fast enough for me to make after a long day of work, including having to cook my chicken breasts..I will definitely make this again."

dminkus User ID: 6010427 190671
Reviewed Aug. 15, 2011

"This wasn't too bad, but definitely wasn't terrific. One person I made it for said it reminded them of something they had from pasta-roni (though that wasn't necessarily a bad thing). It definitely needed salt (even though i added salt, pepper and garlic powder to the chicken as it was cooking) and the onions definitely need to be sauteed before being baked in the oven."

Kitchen Dweller User ID: 5945540 186506
Reviewed Aug. 12, 2011

"Following suggestions from other readers, I did make a few modifications to this recipe. I did saute the onions first in olive oil with 2 cloves garlic, 8 ounces of fresh mushrooms and about 1 cup fresh sweet red pepper. I increased the steak seasoning to 2 teaspoons and the basil to 1 teaspoon. I added all the swiss cheese to the casserole and sprinkled the cheddar cheese on top. Everyone loved it - including my 2-1/2 year old grandson!"

rosebud1968 User ID: 5234576 109898
Reviewed Aug. 9, 2011

"I used Mexican cheese instead and added 1 cup of salsa...yummy!"

cookie512 User ID: 543769 190656
Reviewed Aug. 9, 2011

"this recipe is very good, i did cook the onion, peppers and mushrooms together before mixing an used sour cream instead of mayo. my family really liked it, will make again."

holdosh01 User ID: 5945480 103701
Reviewed Aug. 9, 2011

"Whole family loved this recipe. I did as a other reviews suggested and pre-cooked my onions. I also replaced the red peppers with crumbled bacon. This is just a family preference. It tasted similar to a chicken carbonara! Delicious!"

wjb2 User ID: 3200021 189583
Reviewed Aug. 9, 2011

"i have made this ricipe for years but i boil my spaghetti in the chicken broth and i use velveeta cheese,mushroom soup,1 can rotel tomatoes and 1 small can of english peas."

Mountaintopmama User ID: 5291238 171357
Reviewed Aug. 9, 2011

"Very good! Hubby and I both liked it. Had to use mushroom soup bc I didn't have chicken. Cooked onion bf adding, as others suggested, and used meat magic bc I didn't have steak seasoning. I don't think those few subs would have made much difference. It was still delicious!"

aloha58 User ID: 5713478 175423
Reviewed Aug. 8, 2011

"This was a definite 'Do again!!" Creamy texture, comfort food with great hints from the basil. I used fresh red peppers and mushrooms, and subbed Mozzerella 'cause that's what was on hand. Good stuff!"

sfrutchey63 User ID: 6116381 103699
Reviewed Aug. 8, 2011

"Great dish so glad I made it......Next time I shall add more soup and milk was a little dry!"

dennison7 User ID: 3077164 128463
Reviewed Aug. 8, 2011

"We enjoyed this recipe with a couple changes. I omitted the onion and put in onion powder, garlic powder and a little paprika. I had no red pepper or mayo so added some cream cheese in its place. Was good anyway!"

cdunks User ID: 5988682 188407
Reviewed Aug. 8, 2011

"easy and yummy and makes great leftovers. Husband says it tastes like chicken scampi from Olive Garden..."

Wolffette User ID: 4935834 120727
Reviewed Jul. 6, 2011

"I tweaked it some: I added 1 can of Cream of Mushroom with Garlic soup. I sauted the onions first in olive oil to soften them and add more flavor. I also put a can of French Fried Onions on top and baked uncovered the second oven time for another 20 minutes. Oh, and I also added 1 can of Mild Rotel With Green Chilies. Turned out delish!!!!"

[email protected] User ID: 4089185 170832
Reviewed Jun. 2, 2011

"This recipe is great. The only change that I made was to season my chicken before I cooked it. I had company and they had seconds and complimented me on how good the casserole was. He even requested the site to give to his wife."

indy500girl User ID: 5599552 190655
Reviewed May. 31, 2011

"Have not made iot yet, but sounds wonderful and all the exrtra add on suggestions...I was thinking, how about adding Tastefully Simple's Garlic, Garlic and / or onion, oniion...I know it's a conflict of interest iwth Taste of Home...but soemtimes you take two goods and make one great! ????"

123Lon User ID: 3759556 189579
Reviewed May. 30, 2011

"Will try this recipe. However will use low sodium soup and Montreal seasoning to cut down on the sodium content, and low fat cheese to make it healthier."

Kelly77 User ID: 5449198 146203
Reviewed May. 11, 2011

"I have made this several times. My husband just loves this dish. I gave it to a friend of mine and her family loves it also."

dmwilmoth User ID: 2810512 170774
Reviewed Apr. 18, 2011

"I absolutely loved the taste of this meal. The creamiest sauce, the wonderfully homey flavor ... is comfort food at its finest! I should have read the reviews first regarding sautéing the onions first because it definitely needed that step - unless you like crunchy onion. I think next time I will do that as well as use fresh mushrooms. However, for the most part - delicious!"

Porkiepine1204 User ID: 5852031 120725
Reviewed Mar. 18, 2011

"This recipe will be a keeper for sure! I took the advice of other reviewers and sauteed the onion first with some garlic and diced peppers (didn't have roasted). I also added an extra 1/2 teaspoon or so of the steak seasoning, 1/2 teaspoon seasoning salt, garlic powder, onion powder and dried parsley. After adding the additional spices it was great. Tastes best if you let it sit for about 10 minutes before serving."

SashaGill User ID: 5865425 117471
Reviewed Mar. 8, 2011

"I loved this recipe for chicken spaghetti! I had been looking for one forever but have ALWAYS preferred Taste of Home recipes. I made it for my boyfriend and he loved it so only two nights later I made it for my parents and friends and it was fantastic! Everyone loved it! Its so fast and easy it has been added to one of my regularly made recipes! Thanks Taste of Home!!"

scrapo User ID: 2908723 211519
Reviewed Jan. 30, 2011

"Was good - but like others I agree the onions might have been better sauteed first or maybe sauteed w/ garlic. Used the montreal chix seasoning. We sprinkled on garlic salt and garlic pepper - so I think next time would add that to the recipe. Other than that ~ it was great! And we even froze half of it for an easy meal later."

kj10e User ID: 3630087 128457
Reviewed Nov. 8, 2010

"I love this recipe! I threw it together one night because we had some leftover grilled chicken breasts, and my husband loved it. I used all cheddar cheese and fresh red pepper and it was still awesome. Definitely one I will make frequently."

LadybugDiva User ID: 4790754 188405
Reviewed Jun. 27, 2010

"Very good. my 7 year old didn't complain once and it is so hard to get her to eat most of the time."

LadybugDiva User ID: 4790754 103689
Reviewed May. 24, 2010

"Will so make this again. It was a huge hit. My daughter is one of those kids who takes forever to eat. When I put her plate in front of her I didn't hear a word for the next 15 min, the time it took her to clean her plate! : )"

kdygert User ID: 3343065 170732
Reviewed Apr. 16, 2010

"I sauteed the veggies, used two cans of cream of chicken soup, and increased the milk until creamy enough to our taste. This was two-thumbs up from my whole family!!"

mreilly615 User ID: 2340136 190593
Reviewed Mar. 25, 2010

"This recipe is very tasty, however I agree that the onions needed to be sauteed. They were very crunchy and I love onions. I didn't have any red peppers so I just used green. I loved the flavor and will make again I'll just cook the onions first."

amandastarr User ID: 1944127 106707
Reviewed Mar. 22, 2010

"I thought this recipe was great. We were out of red pepper though so we just sprinkled a bit of crushed red pepper and also left out the onions as I am not a fan but it was fantastic! I think I might try and add a can of rotel (drained) the next time I make it! Awesome recipe though. Telling all my friends about it!"

rcriess User ID: 1801603 171354
Reviewed Mar. 10, 2010

"I thought this recipe was bland, and the sauce wasn't as creamy as I expected."

ajt2007 User ID: 4666589 190592
Reviewed Feb. 22, 2010

"I had to cook this for a lot longer than 20 minutes to soften up the onions."

merandarenee User ID: 4031401 146202
Reviewed Feb. 22, 2010

"I thought this was really good, but did not enjoy the onions. I think they either need to be left out of sauteed with the chicken."

wmt User ID: 520118 189573
Reviewed Jan. 28, 2010

"This would be something you could make and put in the freezer for a quick meal. My kids thought it was bland, so we added rotissary chicken seasoning to it and it was great. Very good!!"

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