Pesto Spaghetti Squash Casserole

Clean eating.

It seems to be the trend these days. Everywhere I look I see terms like “Paleo” and “Whole 30” and “AdvoCare” and “Eat Clean.” Now, don’t get me wrong, eating real, whole foods is an absolutely fabulous trend to follow, I just hope it sticks around unlike these other fad phases!

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Since I like trends – I’m going to blame my trend-lovin’ ways on that little shopping habit I have ;) – I’m here to share a clean recipe full of vegetables and lean protein with you today.

Don’t y’all go running for the hills now that you know today is about eating healthy. This recipe is flavorful and in addition to being full of nutrients, it’s my new favorite recipe!

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Pesto Spaghetti Squash Casserole

Nutrient-dense spaghetti squash, Brussels sprouts, mushrooms and garlic mix with rich pesto and lean chicken breast and eggs to create a dinner your family will ask for again and again.

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Pesto Spaghetti Squash Casserole (Adapted from Canada Girl Eats Paleo)

Serves 8

Ingredients:

  • 1 spaghetti squash, cooked and shredded
  • 1 lb chicken breast, cut into 1/2 inch cubes
  • 2 TBSP olive oil
  • 8 ounces mushrooms, chopped
  • 1 large onion, chopped
  • 1 cup Brussels sprouts, quartered
  • 2 TBSP chopped garlic, about 3 cloves
  • 8 ounces pesto (I like Trader Joe’s)
  • 3/4 cup almond milk
  • 4 eggs
  • 2 TBSP dried basil

Directions:

Preheat oven to 400 degrees and spray a large baking pan with non-stick spray. In a non-stick skillet, heat chicken and olive oil over medium heat until chicken is browned but not fully cooked. Add in mushrooms, onion, Brussels sprouts and garlic and saute until chicken is fully cooked and vegetables have slightly browned. Combine chicken mixture with spaghetti squash in a large bowl. Mix in pesto, eggs and milk and spoon mixture into baking pan. Sprinkle top with dried basil and bake for 45-55 minutes, until edges and top have browned. Allow to cool for 5 minutes before serving. Enjoy!

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What makes this recipe even better is that the leftovers are just as good (if not better!) as when the casserole is piping hot from the oven.

Are you on the clean eating bandwagon? Obviously!

Can someone explain the difference between Whole 30 and Paleo to me? I haven’t done much research on my own but I’m curious.

Comments

  1. Mmm minus the shrooms (i’m not a shroom fan), this sounds awesome! We don’t do things with pesto very much for some reason, so this would be great to change things up before spaghetti squash get too expensive to buy around here haha
    Caitlin recently posted…Hello RealityMy Profile

  2. Looks fabulous! I agree with Caitlin, I’m not the biggest mushroom fan, but my husband loves them, so perhaps I can put the on half of the casserole. Pesto, on the other had, it delish!
    Sarah @ Sarah Sincerely recently posted…A Random Five Things FridayMy Profile

  3. i’m seriously all about this recipe!
    Elise @ 9toFit.com recently posted…AcceptanceMy Profile

  4. I love pesto so this looks like it would be a fantastic addition to my menu :) I just need to get my hands on some spaghetti squash, ha. I don’t like mushrooms either but I have no fear it would still be delicious! I don’t know the difference between the two.. I want to say paleo is more relaxed than Whole 30? I think whole 30 deals with just 3 meals, too, but Paleo includes snacks? haha I could be totally wrong!
    Heather @fitncookies recently posted…St. Patrick’s Day Party: MIMMMy Profile

  5. Yum! This looks absolutely fabulous. I always have tons of spaghetti squash leftover so might just have to do a variation on this too.

  6. I love this twist on a spaghetti squash casserole. I know mostly you have seen cheesy ones but the pesto sounds delicious
    Alex @ therunwithin recently posted…Up a Notch: Running, Pilates, DCFit {Giveaway} oh myMy Profile

  7. I will be making this asap, probably next week so Ill let ya know!! Ive been loving brussels and I could eat pesto on anything! What a great combo, and the added chicken is perfect to get in that protein!
    sara @ fitcupcaker recently posted…Triple Berry Protein SmoothieMy Profile

  8. I could use a healthy recipe like this after my weekend eats, thanks girl! Dan loves pesto so he would probably love this meal, minus the mushrooms which he says taste like chlorine, haha :)
    Kate @ Quarter century southern living recently posted…One Big Balancing ActMy Profile

  9. This sounds so flavorful! I need to try spaghetti squash!
    Jackie recently posted…Weekend recap!My Profile

  10. I have been really trying to improve my eating – because when I eat clean, I feel so much better!! I love this recipe, minus the mushrooms. :) happy monday!
    Katie @ running4cupcakes recently posted…Weekend Update: 3/9/14My Profile

  11. Love this!! It looks sooo good! I’ve been on the clean eating bandwagon for while, mainly because my stomach is so sensitive. Like yesterday, I ate a Nature Valley Granola Bar, and my stomach was really upset afterwards. Unless it is unprocessed food, I usually end up with a stomachache, which is a huge bummer because I love those Nature Valley Bars!
    I think they are essentially the same thing. I’m not sure what the difference is haha :) But I think they stand for pretty much the same thing with a few things different.
    Chelsea @ A Fit LittleOne recently posted…“Fried” EdamameMy Profile

  12. This sounds SO good Becky!!!! Please share on the Facebook group and I’ll pin it to our Pinterest board too. Thanks so much for sharing this. Yum!
    Hey lauren rene recently posted…Five on FridayMy Profile

  13. This sounds delicious! I have been working on focusing more on clean eating as much as possible, but have found myself in a little bit of a food-rut lately. This is a great idea to mix things up!
    Stephanie @ My Freckled Life recently posted…Weekend of the Lost HourMy Profile

  14. Um, NUM! I would be totally fine with you making this for us when we visit you this month. =)
    Melanie @ BeautifullyNutty recently posted…Back and Jet-Lagged!My Profile

  15. Looks amazing! I can’t wait to try it! I’ve been wanting to make my own pesto, too, so this might be motivation.
    Megan (The Lyons’ Share) recently posted…Squash Self-Doubt (plus #MMAZ Simple Butternut Squash Dip!)My Profile

  16. This looks perfect for Josh to bake up on a Sunday and eat all week long for lunch. He has a weird obsession with Brussels and a totally normal obsession with mushrooms and chicken, so it’s like you’ve read his mind.
    Kelly @ hidden fruits and veggies recently posted…Mozzarella Pesto Veggie Melt #CADairyHealthy #SponsoredMy Profile

  17. You basically combined my fav ingredients!!! Minus spaghetti squash since it makes me bloat for 3 weeks but I could make this with reg pasta!!!
    Davida @ The Healthy Maven recently posted…Roasted Rosemary Brussels Sprouts w/ BlueberriesMy Profile

  18. This sounds awesome! I’m a huge fan of spaghetti squash, mushrooms & Brussels sprouts but never thought of pairing them with eggs. This one I will be trying for sure!

  19. I read Nom Nom Paleo from time to time, and I THINK that Whole30 is stricter than most Paleo followers normally eat. Exactly how much, I’m not sure. I know that Whole30 seems to be a gateway into Paleo eating for many. Who knows?! Love that you put spaghetti squash in this! That’s such a great way to make a casserole without the carbs!
    Amy @ Long Drive Journey recently posted…Let’s Catch Up #2My Profile

  20. I was wondering about the difference between Whole30 and Paleo myself… I think Paleo is a little more lenient, though, with Whole30 being a kind of introductory cleansing phase. Don’t quote me on that one, though. And all this talk of delicious home-cooked food is making me miss my kitchen big time!
    Amanda @ .running with spoons. recently posted…. monthly favourites – february 2014 .My Profile

  21. Yummmmm! Definitely pinning this one and can’t wait to give it a try!
    Ashley @ My Food N Fitness Diaries recently posted…My Mom is the Best, Friends, & Tapering BeginsMy Profile

  22. This looks awesome! I just started playing around with spaghetti squash recently and I really like it. As for Paleo and Whole30, my understanding is that the basic premise is the same (no legumes, grain, dairy, processed foods, etc) but Whole30 is meant to be a 30 day challenge…and is more strict than Paleo. 3 meals a day without snacking, no paleo-ifying meals or snacks (so, no paleo pancakes or cookies or anything) and probably some other stuff that I’m missing. After Whole30 people are allowed to reintroduce the foods they cut out if they want to, but Paleo is supposed to be more of a lifestyle thing.
    Sam @ Better With Sprinkles recently posted…Spill It Sunday: All About Healthy Fats.My Profile

  23. I feel like the idea of clean eating has been around for quite sometime, but then I suppose I’m in to it so I would ha! :) I LOOOOOOVE this dish so much. Totally pinning it to make later!
    Amanda – RunToTheFinish recently posted…Post-Race Recovery Plan {when to resume running} – bestfoot link up #10My Profile

  24. Yup! I”m totally on the clean eating bandwagon but I’m making my a lifestyle change rather then a fad diet :) I’m definitely going to have to try this!! Keep those clean eating recipes coming!!!!
    I think trader joes is going to be my new best friend for clean foods!
    Alex @ alex runs for food recently posted…Advocare 24 Day Challenge ResultsMy Profile

  25. Oh, this looks amazing! & it looks like a great way to hide Brussels sprouts in my husband’s dinner. ;)
    Ashley@cupcakesncrunches recently posted…Atlas – 5 MonthsMy Profile

  26. I love pesto anything!

  27. I have no clue what the difference between Whole 30 and Paleo is… I feel like Whole 30 is just someone marketing Paleo as a new diet.
    CASSIE recently posted…Autumn Vegetable FritattaMy Profile

  28. We don’t eat pesto nor spaghetti squash often, but let me get a piece of this deliciousness =)
    Jessie recently posted…TYT: VacationMy Profile

  29. I seriously love everything about this…especially the addition of the Brussels! Yum! And yeah, I’m right there with ya on the Whole 30/Paleo thing. All I know is that I would die without bread and peanut butter! Ha!
    Heather @ Kiss My Broccoli recently posted…Confessions of an Intuitive EaterMy Profile

  30. dude…I am legit making this because I found stupid spaghetti squash in Australia!!!

    Question….do you know how much in grams/oz would count as 1 spaghetti squash? I have 375 grams in my freezer.

    Screw paleo and whole30 and do #wholearman.
    Arman @ thebigmansworld recently posted…Unapologetic Blogging- I’m not sorry for my contentMy Profile

    • My squash was probably 32 ounces but the recipe is really forgiving. You could use any size squash and it’s turn out!

  31. This would be perfect with my cashew spinach pesto, your right! I think I need to save this so I can make it the next time I make pesto.
    Nicole @ FruitnFitness recently posted…Cashew Spinach PestoMy Profile

  32. I like eating clean, but I also like eating dirty. ;)
    Shelly recently posted…Pictures of FoodMy Profile

  33. Yum! This would be perfect for my boyfriend. Thanks for sharing!
    Nicole @ Fitful Focus recently posted…Spring Into Fitness GIVEAWAY Blog HopMy Profile

  34. Donna Day says:

    How many calories per serving?

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