Cheesy Spaghetti Squash Casserole


I was tempted to call this recipe “Cheesy Hash Brown Casserole,” because it tastes ridiculously similar to the creamy hash brown casserole that my mom usually makes for our holiday brunches.

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Only, this version doesn’t call for frozen hash browns. Instead, it features nutrient-rich spaghetti squash!

Cooked spaghetti squash has a surprisingly similar texture to hash browns, and blends seamlessly into this simple casserole, with a lower starch content. Combined with sauteed onions, probiotic-rich yogurt, and a bit of raw goat cheddar, this creamy dish is classic comfort food–> without leaving you feeling uncomfortable later.

Cheesy Spaghetti Squash Casserole
Serves 4-6

Adapted from this recipe

Ingredients:

1 medium spaghetti squash
1 tablespoon butter
1/2 yellow onion, chopped
1 garlic clove, minced
1 cup plain goat’s milk yogurt, or greek yogurt
3 oz. raw goat cheddar, shredded and divided
1 teaspoon sea salt, or to taste
black pepper, to taste

Directions:

Preheat the oven to 400F and line a baking sheet with a Silpat or parchment paper. Cut the spaghetti squash in half, and remove the seeds. Place the squash halves cut-side-down on the baking sheet, and cook for 35-45 minutes, or until a fork can easily pierce the outer shell. (For full directions, see this post.)

Once you have removed the squash from the oven, melt the butter in a skillet over medium-high heat and saute the chopped onion and garlic until tender and slightly golden, about 5 minutes.

Transfer the cooked onion and garlic to a large mixing bowl, and combine with the yogurt and 2 oz. of shredded goat cheddar, then season with salt and pepper. When the spaghetti squash is cool enough to handle, use a fork to scrape the noodle-like strands into the bowl, and mix well.

mixTransfer the mixture to a 2.5-quart casserole dish, and smooth the top with a spatula. Sprinkle the remaining ounce of goat cheddar over the top, and return to the oven to bake for 30 minutes at 400F.

SONY DSCThe casserole is ready when the top is a light golden brown, which makes for a crunchy crust! Serve immediately.

SONY DSC

4.7 from 19 reviews
Cheesy Spaghetti Squash Casserole
Author: 
Prep time: 
Total time: 
Serves: 4-6
 
Cooked spaghetti squash has a surprisingly similar texture to hash browns, and blends seamlessly into this simple hash-brown-like casserole. Combined with sauteed onions, creamy yogurt, and a bit of raw goat cheddar, this creamy dish is classic comfort food, without leaving you uncomfortable later.
Ingredients
  • 1 medium spaghetti squash
  • 1 tablespoon butter
  • ½ yellow onion, chopped
  • 1 garlic clove, minced
  • 1 cup plain goat's milk yogurt, or greek yogurt
  • 3 oz. raw goat cheddar, shredded and divided
  • 1 teaspoon sea salt, or to taste
  • black pepper, to taste
Instructions
  1. Preheat the oven to 400F and line a baking sheet with a Silpat or parchment paper. Cut the spaghetti squash in half, and remove the seeds. Place the squash halves cut-side-down on the baking sheet, and cook for 35-45 minutes, or until a fork can easily pierce the outer shell.
  2. Once you have removed the cooked squash from the oven, melt the butter in a skillet over medium-high heat and saute the chopped onion and garlic until tender and slightly golden, about 5 minutes.
  3. Transfer the cooked onion and garlic to a large mixing bowl, and combine with the yogurt and 2 oz. of shredded goat cheddar, and season with salt and pepper. When the spaghetti squash is cool enough to handle, use a fork to scrape the noodle-like strands into the bowl, and mix well.
  4. Transfer the mixture to a 2.5-quart casserole dish, and smooth the top with a spatula. Sprinkle the remaining ounce of goat cheddar over the top, and return to the oven to bake for 30 minutes at 400F.
  5. The casserole is ready when the top is a light golden brown, which makes for a crunchy crust! Serve immediately.

Hope you enjoy it!

Reader Feedback: Are you a fan of hash brown casseroles? It was one of my favorite dishes growing up, so I’m happily enjoying this properly combined version now!

Share:
Meet Megan Gilmore

Hi, Iโ€™m Megan. A former fast food junkie turned certified nutritionist consultant, trying to make healthy living as easy as possible. I believe in eating delicious whole foods on a regular basis to help naturally support the bodyโ€™s detox organsโ€” no juice fasting required. (Unless you want to!) If you make one of my healthy recipes, tag @detoxinista on Instagram or Facebook so I can see!

135 thoughts on “Cheesy Spaghetti Squash Casserole

  1. Rhonda

    I have been enjoying your site and all the wonderful recipes for quite some time now. I just so happen to have a fresh spaghetti squash that is begging to be made into this! lol.

    Reply
  2. cheryl

    OMG this looks so decadently delicious!! I have never tried goat cheddar. Any brands that you recommend for a first-timer?

    Reply
    1. Megan Post author

      Alta Dena’s goat cheddar is a little more mild, and is the first brand I ever tried and enjoyed. I tend to like stronger, more “stinky” cheeses, so now my new favorite is Mt. Sterling’s extra-sharp raw goat cheddar. I believe they have a mild version, too! Both brands are very tasty. ๐Ÿ™‚

      Reply
    1. Megan Post author

      Eliminating the cheese will greatly change the flavor, and you’ll miss the crispy crust on top. Also, using summer squash will change the texture and flavor. Probably won’t taste like a hash brown casserole anymore, but I’m sure you could have fun experimenting!

      Reply
  3. Cheri

    This sounds absoultely amazing and I am going to make this. I love all of the squash family and I always have so much from the garden and it seems mostly spaghetti squash so this recipe will come in handy. Thank you so much and I love love love many of your recipe ideas.

    Reply
  4. Kai

    I would love to try this but my family is vegetarian and some vegan. What can I use instead of goat cheeze and greek yogurt?

    Reply
    1. Megan Post author

      Perhaps there are vegan versions of plain yogurt or cheese you could try. Since I haven’t made it myself, I couldn’t tell you exactly!

      Reply
  5. Linda Wagner

    O.M.G. I literally ran to the store to get the greek yogurt so I could make this. Spaghetti squash is in the oven!!! I’ve said it before and I’ll say it again, you are a genius!! xo

    Reply
  6. Katie

    Hi Megan. I made this tonite and loved it. I am wondering if you have any ideas to add a little crunch to (the top) of it? So nice to have some tasty healthy food during these cold winter months!

    Reply
  7. Kelly

    I just made something similar using shredded cabbage that had been blanched instead of squash. It was great and a great way to eat cabbage if you are not a huge fan. Cheese makes everything wonderful!

    Reply
  8. Jennifer

    I just assembled this now for dinner in a few hours! It look amazing! So far all of your recipes have been delicious! I love these kinds of “clean” recipes. I used regular goat cheese like a Chรจvre since I didn’t have any goat cheddar, so hopefully it will be just as good. I love the creaminess of it! Enjoy your site blog and my weekly emails for you Megan!

    Reply
  9. Alyssa S.

    I made this last night for a girls night dinner/bachelor marathon and it was SO GOOD. I seriously cannot wait to eat the leftovers tonight!! Thanks for the recipe, it will be a new staple!

    Reply
  10. victoria

    Megan! I made this last Night for dinner and ohh my was it ever good! Im have the leftover for lunch today! This dish is perfect for the stormy weather we have in canada

    Reply
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  13. JANET

    Prepared this last night, it was fabulous! Next time I am going to try it with scallions. Thanks for ANOTHER great recipe.

    Reply
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  15. Andria Miller

    This does look great, but isn’t it improperly combined? spaghetti squash is a starch which is paired with dairy. I’m sorry if you addressed already, I read through the post/comments quickly.

    Also, my other question, as I am new to reading your blog (love it BTW!) are you still following a grain free program? I aw a rice dish on your most rece t “what I ate.” Thx!

    Reply
    1. Megan Post author

      Due to its high water content, spaghetti squash actually is considered neutral for food combining purposes. So this dish is properly combined!

      In regards to a grain-free lifestyle, my husband and I only experimented with a “strict” program for 30 days in January last year. Since then, we’ve included grains in our meals whenever we feel the desire for them. In general, I prefer not following any strict dietary guidelines or programs, because I think that would drive me crazy in the long run!

      Reply
  16. Andria Miller

    Great! I am happy to hear your response because I really do enjoy cheese on my spaghetti squash! I feel I have been trying to set too many strict dietary guidelines for myself which DOES drive me crazy (speaking of a 30 day paleo challenge I tried to do a Whole30 which is super strict and didn’t get past 16 days) and I am wondering if the more restrictive I am the more issues(ie digestive) I have because I lose tolerance for stuff (???)

    I really do enjoy your blog and your recipes look great! And, like you, I have a sweet tooth, so I’m super excited to work my way through your desserts!

    Reply
  17. Andrea

    Made this last night for a dinner party – DELICIOUS! I followed the recipe to the letter and people kept saying how much they loved the spaghetti squash.

    Reply
  18. Erika G.

    I made it tonight and it was soooo yummy! Instead of the yogurt, I used an avocado (blended with some water until the consistency of yogurt). The avocado makes it not combined with the cheese, but its easier for my tummy than the yogurt AND cheese. Also, I roasted a bag of frozen organic broccoli on the pan while cooking the spaghetti squash and added it in before baking. Extra flavor and texture. It turned out a little green, but if you don’t mind (or want a St. Patrick’s day recipe)…it’s a winner.

    Reply
  19. Naomi

    Mmm, just finished a helping and it was delicious! Rich, but delicious! My husband and kids gobbled it up too. So happy to have stumbled upon your site ๐Ÿ™‚

    Reply
  20. mary

    I’ve made this twice in two weeks for my family. I can’t believe how much my kids love it! Mine has been on the watery side when it’s done. I followed the recipe to a T, should it be a little runny when it’s done? Still tastes good, but yours sure does look firmer than mine!

    Reply
    1. Megan Post author

      I’d assume the watery texture is coming from the spaghetti squash– some are more moist than others! I’d make sure you’re baking it long enough (before making this casserole), to ensure that as much moisture is removed as possible.

      Reply
  21. Deana

    This was wonderful!!! I added a red pepper in with the onion and the garlic. It added a nice crunch! Is there a trick to “shredding” goat cheese? I love your site! You make eating healthy so delicious!!!

    Reply
  22. Maranda

    Made this tonight….flippin’ AWESOME!! I could eat the entire dish, had to make myself stop!!! Love your site and all the recipe ideas…ROCK ON!!

    Reply
  23. Eva

    I tried a lot of your recipes and have been completely enjoying eating cleaner. I absolutely LOVE cooking and all these new recipes are extraordinary! Thank you for sharing it all… this dish is one of my absoooolllluteeee favoritessss!! It’s great with any course- bfast, lunch or dinner… Amazing.

    Reply
  24. alfietta

    I don’t understand how this dish fits the Food Combining Chart, since squash is a starch and cheese/yoghurt obviously a protein ๐Ÿ™

    Reply
    1. Megan Post author

      Spaghetti squash is unique in the fact that it has a very low starch content, making it “neutral” for food combining purposes. You can consider summer squash, like yellow and zucchini, neutral as well. Winter squash, like butternut and acorn, are the type that must be considered starches.

      Reply
      1. alfietta

        Wow, thanks for this explanation! Where I grew up, we’ve never really had so many different types of squash. On second thought, we actually might have had them all, but apparently I never paid enough attention. In any case, thank you so much for the great recipe and the additional info ๐Ÿ™‚

        Reply
  25. Jaimi

    Bought chevre because it wasn’t really specified as to what kind of goat cheese. Going to make it anyway and see how it goes.

    Reply
  26. J.O.

    I made this today with nonfat yogurt and daiya cheddar cheese (we avoid animal fats, hence the dairy nonfat yogurt but no dairy cheese). I didn’t have garlic but sauteed some mushrooms in with the onions… then I mixed nutritional yeast into the yogurt/daiya sauce and sprinkled some on top with the daiya for added nutrition and flavor… came out great!!!

    Reply
  27. Sandy

    I just made this and it was delicious! I am on a low carb dieter following the medifast plan and this works well with a few minor changes! I just posted it on my blog! Thanks for a great recipe!

    Reply
  28. Elizabeth

    Love love love this! Had it last night! I used regular shredded cheddar instead of the goat and it still turned out great!!

    Reply
  29. Amy

    Heyya, looks amazing but I have never come across spaghetti squash before? I have made zucchini spaghetti with a special peeler, is that the same thing?

    Thanks ๐Ÿ™‚

    Reply
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  32. sara

    what else could use instead of yogurt? im trying to use what I have here without having to make a trip to the store! LOL. I was wondering 1% milk but that would make it watery?

    Reply
  33. Brenda

    I made this tonight and the whole family and I loved it. I used almond milk yogurt instead but followed recipe exactly otherwise. Btw it’s your recipe of almond yogurt and its fantastic.

    Reply
  34. Jennifer

    Just made this, and it was absolutely delicious! I didn’t change a thing, followed the recipe exactly. It’s an amazing feeling to be able to eat this rich-tasting food, without the horrible indigestion after. Thanks for another keeper Megan!

    Reply
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  38. Amanda

    I tried making this the other day. I couldnt find raw goat chedder so I picked up goat chesse crumble (never having tried any kind of goat cheese) and it was horrible lol. I’m going to check the other grocery stores around and hopefully I can find the right cheese!

    Reply
  39. sarah thompson

    Ohhhhhhhhh this was good! I do have to admit that since my family doesn’t exclude dairy, I went all out and used sour cream for the yogurt and shredded cheddar for the goat cheese. I also made some bread crumbs with udis GF bread and garlic and sprinkled them on top. Probably not as clean as most of your readers are looking for, but for this wheatless family, it was PERFECT! Thank you for helping us to not only be wheat free, but able to hide some veggies too ๐Ÿ™‚

    Reply
  40. Amy

    Making this casserole for the second time this week! It is going to be served as part of a GAPS legal meal I’m preparing for our extended family during the holidays.

    Reply
  41. Connie

    I used yogurt and cheddar but added. sauted chicken bites to make casserole my hubby would eat. Its still in the oven and smells gteat. Will let you know what he says.

    Reply
  42. Sarah

    This is my first time visiting your site, found you off pinterest and LOVE everything about this place!!! Very excited to try some of these recipes out on the Hubby…he doesn’t care what he eat, but I am trying to be very careful, so if when I can find something that is good for me and pleases him I consider it a win!

    Reply
  43. Kristy Bryan

    I made this tonight…It was good, and my husband liked it a lot! I was not expecting the spaghetti squash to have a bit of a crunchy texture though. It kind of reminded me of potatoes that aren’t cooked completely. Is that normal? If I had baked the squash longer, would it have softened up more? I baked it for 40-45 minutes before making it into the casserole. This was my first experience with spaghetti squash. It was pretty cool, however, watching the “noodles” appear when I scraped out of the shell. I would appreciate your feedback. Thanks for the recipe and your website. I am new at food combining, but am already feeling that my digestive track is improving and I am losing weight. That, is great!

    Reply
    1. Megan Post author

      Spaghetti squash does have a unique texture. It’s more hydrating and slightly crunchy, but certain squashes are “crunchier” than others. I’ve found that if I bake them long enough so that a brown spot develops on the outer skin, the texture of the “noodles” is better on the inside. Hope that helps!

      Reply
  44. DeLayne

    I tried this tonight and was super stoked but for some reason the tang from the Greek yogurt was very prominent in mine ๐Ÿ™ what did I do wrong?

    Reply
  45. Toni P

    I made this tonight and I added mustard powder and cayenne to balance out the tang of the yogurt. YUMMMM

    Reply
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  48. Jennifer

    When I made this recipe which was AMAZING! I found it to be on the tad watery side. Not sure what made it so watery. It was GREAT non the less just wondering what I could do to reduce the amount of liquid that is on the bottom of the caserole. Thanks!

    Reply
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  50. J

    Oh my goshโ€ฆ.I’m currently trying this for the first time and it is going to take some SERIOUS will power to not eat the entire dish

    Added some chili powder to combat the tanginess (thanks above reviewer!) and it is GREAT

    Reply
  51. Robin

    Megan, this was a big hit in our house! Made this last week, and 19-year-old daughter has been requesting that I make it again. Needless to say, this will be a regular meal in our home – will shake it up by adding other veggies and/or cheeses. Thanks!! Next, plan on trying the veg fried rice and want to re-try the cauliflower pizza crust. Think I didn’t squeeze enough moisture out of cauliflower.

    Reply
    1. RPK

      If you have access to a juicer, “juice” your cauliflower- the non-juice pulp is doughy-like so mixed with eggs and cheese, it bakes up well because all of the water has essentially removed by the juicing process. And, you can use the juice for soups, too.

      Reply
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  53. Anna D

    This recipe is absolutely delicious! I’m not a fan of onions so I didn’t saute the onions, garlic and butter but rather melted the butter and just mixed it with garlic. As well I am not vegan so I just used regular marble cheese. So delicious, tastes much better than expected! And so creamy with the yogurt ๐Ÿ™‚

    Reply
  54. Shelley

    Just stumbled across your site and there are so many yummy recipes that I cant wait to try. This one reminds me of the Cheesy Noodle Casserole my mom made us when we were kids…still a favorite but this might be the healthier version I have been looking for.

    Thanks!

    Reply
  55. Natallia

    Made this today and it came out delicious! Couldn’t find any raw goat cheese anywhere so used the cow’s raw cheddar cheese and it was great!

    Reply
  56. Melissa

    I made this and I left out the cheese because I didnt have any. I put smoked paprika on top and it tasted like scalloped potatoes!!! I am making it again right now with the cheddar! Thanks for the recipe

    Reply
  57. Chelsea

    This sounds delicious! I have never had spagetti squash before. What might you serve this recipe with?

    Reply
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  59. Karen

    OMG!! I love this recipe, I can gain weight just eating it , I want to to eat it all up. I can’t even taste the squash. And it fits in my Atkins diet, I can’t believe it…. just delish!!

    Reply
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  61. fer

    Thank you SO MUCH for adding printable versions of your delicious recipes at the end of your entries! I can’t wait to try some of them and this one (spaghetti squash ‘hash-brown’ casserole) will be FIRST!

    Reply
  62. Barb

    I love your recipes so much! I have made this spagetti squash casserole before and its fab, but was wondering if you can make it with cultured coconut (unsweetened) instead of yogurt? Thanks!!!

    Reply
  63. Apple

    I made this tonight and added some mushrooms and kale in with the onions and garlic, plus a scoop of white miso paste and red pepper flakes. Came out SO good!! Thanks for the recipe!

    Reply
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  65. Kelly

    How on earth is all that cheese on top just 1oz. I am starring at 4 ounces of shredded cheese And this alone is just enough for the top, I would have to do 4 more for for the dish it self.

    Reply
    1. Kelly

      I take it back, I think I envisioned using a bigger pan, it was enough. I just died and went to heaven, omg it’s sooooooo good. The cheese and yogurt together make it seem like I used ricotta even though I didnt. I just ate half the dish, I can’t stop. This is going at the top of my comfort food list. Thank you, thank you, thank you

      Reply
  66. Deborah

    Cheesy-Spaghetti-Squash-Casserole looks and sounds GREAT!!! I’m a very brittle diabetic and have to be strict and count all carbs. Can you tell me how to come up with the carbs according to the recipe? Thanks!

    Reply
    1. Megan Post author

      You can use a free nutrition calculator at FitDay.com or MyFitnessPal.com to calculate any numbers you need.

      Reply
  67. Michelle

    Can you prepare the spaghetti squash ahead of time and then mix it up when you’re ready? Also, what sides would you serve with this? I’m new to clean eating.

    Reply
  68. Stephanie Jacobs

    Just want you to know that I LOVE this recipe, I make it all the time! I’m going to be so sad when spaghetti squash goes out of season and I can’t make it until next year. Great job!!!

    Reply
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  72. Marianne

    I have made this several times; it is so delicious and always a hit! Our garden is going crazy right now with yellow squash, so I was thinking of substituting them (in “spiralized” form) for the spaghetti squash. I was curious if anybody had tried this already and could offer any feedback on how it turned out?

    Reply
  73. Kate

    Used shredded organic cheddar instead of goat- ended up tasting like a healthier/better version of Cracker Barrel’s hashbrown casserole! Did get some watery-ness at the bottom of the dish- thinking maybe my glassware was too small and would have required more time in the oven to fully cook through? Regardless- it was great!

    Reply
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  75. denise dowst

    I am going to be making this for Thanksgiving and want to know if it would work out to make it ahead of time and freeze it then bake it the day of? Would the consisting be ok or would it be weird? Thanks

    Reply
    1. Tara

      this is late but I have frozzen it when I have made it. I halfed the amount b4 baking it. then froze it and baked it a month later. it was just a yumm-o

      Reply
    1. Megan Gilmore Post author

      I haven’t tried a dairy-free yogurt myself, but several reviewers have mentioned using plain dairy-free yogurt with success. I’d look for a brand with no added sugar, to make sure it’s tart like sour cream.

      Reply
    1. sheila

      It’s a squash that has strings of the squash inside that resemble spaghetti. So if you are grain free, you can still feel like you aren’t missing out.

      Reply
  76. Alison

    In typical fashion I misread and made with goat cheese..not goat cheddar. Obviously was unable to grate which is when I realized my error. It’s almost done cooking. I’m sure it’ll be yummy. Looking forward to trying again with correct cheese

    Reply
  77. Tc

    I just made this for the first time last night. I used greek yogurt, regular goat cheese crumbles and I added some Italian deer sausage. OMG IT WAS AMAZING! I can see this becoming a staple for me. I’ll probably make it with some chicken sausage and freeze it for breakfasts. You could change it up so many ways! I’ve tried a lot of your recipes, love them all and this was still probably the best! Thank you!

    Reply
  78. Sveta

    What would be considered a medium sized spaghetti squash? Or how many cups of cooked spaghetti squash is needed for this recipe? I have some leftover after making the quiche, just wondering if I have enough to make this too.

    Reply
      1. Sveta

        Perfect, I have just enough left. Thank you! By the way, that crustless quiche was awesome, even my youngest daughter ate it!

        Reply
  79. Debstinydogs

    I added a bit of brown sugar to mask the tang of the Greek yogurt, which hubby doesn’t care for. He loved it. Also, I put it under the broiler fo a few minutes at the end to get the top extra brown and crunchy. Delish!!

    Reply
  80. GW

    I used your recipe as a springboard. I doubled it, and used regular shredded cheddar instead of goat cheddar, plus added frozen peas and two cans of tuna (drained). I also pulsed some Caesar croutons in my food processor and sprinkled the crumbs on top at the end, then popped it under the broiler until they browned.

    Reply

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