Spaghetti Squash with Garlicky Kale Pesto Recipe (2024)

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It took me a long time to warm up to spaghetti squash. I think it's because I had unfair expectations. People say they eat it because it's just like eating spaghetti (!!!), but those people are liars because it's really not like eating spaghetti. It's like eating squash in the shape of spaghetti. Which is good! But it's not spaghetti! Please don't lie to me about pasta!

The other reason I was on the fence about spaghetti squash was the wateriness. Sometimes spaghetti squash releases a lot of liquid after you've cooked it and this can pretty much ruin any recipe you're using it in. I searched the web for tips on how to prevent this, but I couldn't find much about it. Through trial-and-error, I've learned that roasting the squash, instead of steaming or microwaving it, results in the least amount of water, and that when you're pairing the spaghetti squash with a sauce, you need to make it a little bit stronger than you normally would so it's still flavorful when tossed with the squash.


For this particular sauce, I made some slight adjustments to a kale pesto that Kare from Kitchen Treaty had posted as part of a White Bean & Kale Pesto Dip recipe. Basil pesto would be a solid choice too if you don't want to go the kale route, but since it's fall and basil is no longer growing right outside my kitchen (sad!), I went with kale. Although I halved other ingredients in the pesto, I kept the amount of garlic the same to compensate for any water the squash released after being tossed with the sauce. (And the great thing about making your own pesto is that you can use it for other recipes, too! I topped each plate with toasted walnuts and sun-dried tomatoes; if you have a little more time, roasted broccoli would be a great addition to this dish too.

I'm not going to tell you it's going to curb your craving for pasta, but this recipe is really good. So good that maybe you'll forget you had a pasta craving in the first place. That works too, right?

This post was originally published on October 31, 2013.

Recipe

Spaghetti Squash with Garlicky Kale Pesto Recipe (3)

Spaghetti Squash with Garlicky Kale Pesto and Sun-Dried Tomatoes

Roasted spaghetti squash tossed with a garlicky kale pesto and topped with sun-dried tomatoes and toasted walnuts.

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Prep Time: 15 minutes minutes

Cook Time: 40 minutes minutes

Total Time: 55 minutes minutes

Course: Main Course, Side Dish

Cuisine: American

Diet: Vegan, Vegetarian

Keyword: Spaghetti Squash recipe, Spaghetti Squash with Garlicky Kale Pesto, Spaghetti Squash with Garlicky Kale Pesto and Sun-Dried Tomatoes

Servings: 4 servings

Calories: 353kcal

Author: Oh My Veggies

Ingredients

  • 1 extra-large spaghetti squash seeded and halved
  • Oil mister or cooking spray
  • 1 ½ cups packed torn kale leaves
  • ½ cup raw walnut pieces divided
  • ¼ cup shredded Parmesan cheese
  • ¼ cup olive oil
  • 1 tablespoon fresh lemon juice
  • 2 garlic cloves minced
  • Salt and pepper to taste
  • cup chopped sun-dried tomatoes

US Customary - Metric

Instructions

  • Preheat oven to 400ºF.

  • Place the spaghetti squash halves cut-side-up on a baking sheet and spray the tops with oil. Bake until tender and just beginning to brown on the edges, about 40 minutes. Allow the squash to cool slightly; if liquid has collected in the centers, drain it off, then scrape out the insides with a fork and separate it into spaghetti strands.

  • While the squash is baking, combine the kale, ¼ cup walnuts, cheese, olive oil, lemon juice, and garlic cloves in your food processor. Process until smooth. Season to taste with salt and pepper.

  • Toast the remaining walnuts and set aside.

  • Toss the spaghetti squash with the pesto in a large bowl. Divide onto 4 plates and top each with the toasted walnuts and sun-dried tomatoes.

Notes

The squash I used was 5 pounds. If you can't find one that big, you could buy two or three smaller ones, but note that they may need less time in the oven.

Nutrition

Calories: 353kcalCarbohydrates: 27gProtein: 8gFat: 27gSaturated Fat: 4gPolyunsaturated Fat: 9gMonounsaturated Fat: 12gCholesterol: 4mgSodium: 174mgPotassium: 778mgFiber: 6gSugar: 11gVitamin A: 2932IUVitamin C: 41mgCalcium: 195mgIron: 3mg

Craving more veg-friendly recipes? Shop our collection of vegetarian and vegan cookbooks, including our new Vegan Thanksgiving and Vegan Christmas cookbooks!

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Butternut Squash and Spinach Polenta Bowls »

Reader Interactions

Comments

  1. Connie says

    I lived on campus after sophom*ore year in college on a tiny tiny research stipend and made something just like this for like, 80% of my dinners. There was a farm stand a few blocks away that had spaghetti squash for like, 40 cents a squash. I think I 1) turned yellow and 2) lost 10 pounds eating nothing but spaghetti squash & kale.

    Reply

    • Kiersten says

      Ha! I bet after that, you couldn't even look at spaghetti squash for quite a while. 🙂

      Reply

  2. Pam List says

    I am on the fence about spaghtetti squash, but I love the kale pesto idea so will try. I might sub out zuchinni squash though. I just love it. haha

    Pam

    Reply

    • Kiersten says

      Yes, zucchini would definitely work too!

      Reply

  3. Kelly @ Texas Type A Mom says

    If you add enough garlic to anything - I'll likely eat it and love it!

    Reply

  4. Wendy Bice says

    Oy Vey! I made this for my family tonight. I thought my husband was going to plotz! Absolutely wonderful, fantastic... yummy yummy

    Reply

  5. lizz toma says

    if you spray the spaghetti squash and bake it cut side down, no liquid occurs and the squash is dryer if you leave it long enough to turn a golden brown on the outside!

    Reply

    • Kiersten says

      Thanks for the tip!

      Reply

  6. mary logan1 says

    Hello,
    Enjoyed your recipe & the comments following it.
    My experience with spaghetti squash is limited....and not very positive...but this recipe sounds very tempting to try it again. The spaghetti squash in the supermarkets here are usually whitish in color and are sold by the pound which tends to make them more expensive. I love yellow squash (almost $2 # this time of the year), also raw zucchini (same price).
    I have yet to learn the nutritional values of the zucchini or the spaghetti squash. Very little in the zucchini. I believe. What about the spaghetti squash? Kale would add so much.
    Thanks. marylogan1

    I have had positive results cooking spaghetti squash whole in the microwave...
    Punched vent holes & turning often.......

    Reply

      • mary lkogan1 says

        Reply:
        My point is that this squash has nothing in common with pasta spaghetti and that cooks
        should probably quit trying to dress it like spaghetti w/some sort of red sauce. It is tasty with butter, salt, & pepper. & perhaps a sprinkling of nutmeg &/or other spices, as it has a very mild flavor. It can be served as the vegetable it is, with legumes, meat entrees, and/or other veggies.
        Enjoy.

        Reply

        • Janet says

          We cook our spaghetti squash whole in the microwave and so far its been great. We use Newman's Own Sockarooni sauce and add lots and lots of roasted vegetables and some Wegman's "Don't Be Piggy" sausage crumbles. I cook the sauce until its really thick...usually a double batch and then freeze half. The squash and the sauce taste amazing together....I could eat it every night!

          Reply

  7. Courtney says

    I made this last night and when you say "Garlicky" you aint lyin. I might scale back the garlic a tiny bit next time but other than that, this was delicious! I subbed a few things. I don't like kale so I used spinach, I absolutely HATE walnuts so I subbed pecans and lastly I just wasn't on board with the calories in 1/4 cup of olive oil so I just used 1/8 cup of water and didn't miss the olive oil at all! Thanks for this great idea! LOVE the sun dried tomatoes in this. Totally works with the zing of the garlic.

    Reply

    • Kiersten Frase says

      I'm glad you enjoyed it! And yes, I do love me some garlic. 😉

      Reply

  8. Caroline says

    Hi, I've made spaghetti squash quite a few times but usually with jarred tomato pasta sauce. I like your creative kale pesto and I plan to try it tonight.

    One quick tip...since I live in Texas, we generally try not to run the oven too much in the summer. It takes 7 minutes to cook spaghetti squash in the microwave. Cut in half, salt/pepper, place one half at a time in a glass pyrex dish (8x8), cover top of the squash with plastic wrap, put about a cup of water in the bottom of the dish and microwave high for 7 minutes. It will be very hot and steamy when you remove from the microwave so be careful but this is a time saver and doesn't increase the heat in our home.

    Reply

    • Kiersten Frase says

      I don't think I've ever seen spaghetti squash in stores during summer, so I've never had that problem! 🙂 Usually around here, you can get butternut squash year-round, but acorn and spaghetti squash are a little harder to find. Thanks for the tip for microwaving!

      Reply

  9. Carly says

    I love spaghetti squash. It has such a mild flavor so it pretty much goes with anything. I made and froze a bunch of pesto back in the summer, so I just used that, but the addition of the sun dried tomatoes and walnuts were great! Just as a tip for everyone for preparing the spaghetti squash: it does and always will release a lot of water when it's cooked, no matter how you prepare it. I read this little trick somewhere back in the day, and it's always saved my spaghetti squash texture. After I roast the squash, I scrape out the squash into a bowl. I drain as much water as possible, then I throw all of the squash into a preheated skillet. I sautée the squash for about 2 minutes, just to crisp up the "noodles" and evaporate off the excess water. Hope it helps!!

    Reply

  10. Mandi says

    I made this last night and it was great!! It fed four people. I made a few changes:

    Radish greens instead of kale
    Doubled the garlic
    Pine nuts instead of walnuts
    Fresh toms instead of dried
    Added chicken (we aren't vegetarian but always use oh my veggies for recipes anyway!)

    Thanks for the inspiration!

    Reply

  11. Steph says

    Hey,

    I got more than 10 spaghetti squashes in the garden this year, si I was desperately looking for recipes to cook them.

    I made this last week but reduced the spaghetti squash and added some pasta to make it suitable for my men at home. It was delicious (with almonds instead of walnuts).

    Thanks for the recipe !

    Reply

    • Kiersten says

      I'm glad you enjoyed it - thanks for your comment! 🙂

      Reply

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Spaghetti Squash with Garlicky Kale Pesto Recipe (2024)

FAQs

How do you keep spaghetti squash from getting soggy? ›

Give the slices a touch of salt, but not too much! Adding too much salt can cause the squash to get too watery as it cooks. And then you'll be left with mushy strands. You're only seasoning to cook the squash here, and you can add more salt once it has cooked to actually season it to your taste.

Why is my spaghetti squash so hard to cut open? ›

Spaghetti squash can be tough to cut raw. The outside is hard and the raw flesh can be a bit of a challenge to work through. To safely cut into a squash (spaghetti or another kind), you need to make sure you have a nice sharp knife and a flat, stable work surface to cut on.

How long does spaghetti squash last in the fridge? ›

Refrigeration is ideal for warmer times of the year. Spaghetti squash will keep in the refrigerator for one to two weeks. Spaghetti squash without any blemishes will keep closer to two weeks. Make sure you use your squash before any of the blemishes start to soften.

Do you have to cut spaghetti squash in half before cooking it? ›

You need to cut your spaghetti squash in half before cooking it. Don't let spaghetti squash's hard shell scare you! I've got the trick for cutting spaghetti squash safely (watch our video to see me do it).

Why is my spaghetti squash mushy and not stringy? ›

Don't over-bake: for spaghetti squash strands that are crisp-tender, vs creamy, be sure you don't over bake the spaghetti squash. Feel free to test a slice as it roasts to keep tabs on how easily the strands are shredding, and then eat to test out the texture.

Why is my spaghetti squash still crunchy? ›

The squash is ready when you can easily pierce a fork through the flesh all the way to the peel. The flesh will also separate easily into spaghetti-like strands. You can also taste it right now — if the noodles are still a bit crunchy for your taste, put the squash back in the oven for 15 to 20 minutes more.

Why can't I cut through spaghetti squash? ›

To soften spaghetti squash for cutting, preheat your oven to 375°F (190°C). Pierce the squash several times with a fork, then microwave it for about 4-5 minutes to soften the skin. Alternatively, place the whole squash in the oven for 10-15 minutes. This makes cutting easier.

What is toxic squash syndrome? ›

Cucurbit poisoning, often referred to as toxic squash syndrome, is an uncommon illness that can result in severe hair loss and symptoms similar to food poisoning. Cucurbitacins are compounds that can be found in the Cucurbitaceae family, which also comprises of cucumbers, melons, pumpkins, and squash.

Can I eat spaghetti squash that was left out overnight? ›

If you reheat food that was forgotten on the counter overnight or was left out all day, will it be safe to eat? TWO HOURS is the MAXIMUM time perishable foods should be at room temperature (ONE HOUR at temperatures 90 degrees F and higher). This INCLUDES the time they're on the table during your meal.

What if my spaghetti squash has sprouts inside? ›

Also, overripe fruit may be more prone to vivipary. In tomatoes, cool temperatures coupled with low light conditions may promote premature seed germination inside moist, warm fruit. Regardless of the cause, the squash should be safe to eat.

Can dogs eat spaghetti squash? ›

Yes! Spaghetti squash is healthy for your dog and is rich in vitamin A, vitamin C, fiber, and potassium. These vitamins and minerals support the health of your dog's vision, immune system, colon, muscles, and more. Squash also helps kidney function and can decrease your dog's chances of heart failure.

Can you eat spaghetti squash raw? ›

As a certified executive chef, Tiner says the short answer is simple: Yes, you can. "You can eat raw squash, however, the taste may not be to everyone's liking," Tiner notes. "Squash contains a toxin known as Cucurbitacin E, which can give the squash a bitter taste.

Can you save spaghetti squash after cooking? ›

This will last for up to a year. To thaw, place in the refrigerator overnight. If you've already cooked the spaghetti squash, it can be stored in the refrigerator. Just place it in an airtight container and it should stay fresh for up to a week.

Why is my cooked spaghetti squash mushy? ›

Don't Overcook!

You know spaghetti squash is done when the flesh of the squash is fork-tender inside, the outsides are turning golden, and when you press on the outside of the squash, it gives a little. If you overcook the squash, it will be mushy. (Cooking a smaller squash? Be sure to check it a little earlier.)

Does spaghetti squash stay crunchy? ›

The squash is ready when you can easily pierce a fork through the flesh all the way to the peel. The flesh will also separate easily into spaghetti-like strands. You can also taste it right now — if the noodles are still a bit crunchy for your taste, put the squash back in the oven for 15 to 20 minutes more.

How do you keep squash from being watery? ›

Salting and sautéing the squash before baking helps to remove excess moisture and prevents the casserole from becoming watery.

Why is my cooked spaghetti squash crunchy? ›

When it hasn't been cooked long enough, the flesh won't release like noodles, causing them to be crunchy and unpleasant. To check the doneness of spaghetti squash, pierce the squash with a fork. If the flesh flakes off like spaghetti noodles, give it a taste to make sure the texture is soft and isn't overly crunchy.

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