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    Home » Recipes » Dinner

    Instant Pot Tomato Basil Spaghetti Squash

    Updated: Mar 3, 2025 · by Tonia Larson

    This post may contain affiliate links.

    ↓ JUMP TO RECIPE ↓ JUMP TO VIDEO

    This recipe for Instant Pot Tomato Basil Spaghetti Squash is mostly vegetables! It’s full of flavor and perfect for a weeknight dinner.

    Instant Pot Tomato Basil Spaghetti Squash in bowl

    I finally got an Instant Pot and it’s been sitting in the box waiting to be opened. I’m not sure why, but I was nervous to try it, but decided to get over it and make something. To my surprise, it was so easy to use and it turned out great.

    So when I spotted my spaghetti squash on the counter, I thought, why not try making it in my Instant Pot. This recipe for Instant Pot Tomato Basil Spaghetti Squash is super easy to make and is perfect for lunch or dinner!

    How To Make

    cut spaghetti squash into rings

    For this recipe, I cut the spaghetti squash into rings. That way the spaghetti squash is longer strands. After cutting it, remove the seeds and stringy pulp.

    The spaghetti squash is hard to cut so I like to soften it a little by cooking it in the microwave for 2-3 minutes first. Just stick the whole thing into the microwave and cook it briefly. No poking holes or anything.

    Spaghetti Squash Rings In Instant Pot

    Put the rack into the Instant Pot and add one cup of water. Then, add the spaghetti squash rings.

    instant pot

    Turn the vent to sealing. Press Pressure Cook on high pressure (or Manual on some Instant Pots) and set the timer for 8 minutes.

    Instant Pot with Spaghetti Squash

    Once it’s finished cooking, do a quick pressure release. Open the lid and remove the cooked spaghetti squash.

    Spaghetti Squash strands

    Use a fork to remove the strands of spaghetti squash.

    Sauteed Tomatos in instant pot

    Set the Instant Pot to saute. Add the olive oil and minced garlic. Saute for a couple of minutes.

    Then, add the sliced grape tomatoes and saute until softened.

    Add cream cheese, parmesan, and basil.

    Next, add the cooked spaghetti squash and stir to coat with the cooked tomatoes. Add the whipped cream cheese, shredded Parmesan cheese, and chopped basil.

    Instant Pot Tomato Basil Spaghetti Squash in bowl

    I’ve been eating this Instant Pot Tomato Basil Spaghetti Squash all week. It’s flavorful and perfect for lunch.

    Don’t worry if you don’t have an Instant Pot, I’ve got you covered! You can buy an Instant Pot like I have here. Or you can cook your spaghetti squash in the microwave with this recipe of mine and do the sauteeing on the stove.

    A white bowl with tomato basil spaghetti squash inside.

    Instant Pot Tomato Basil Spaghetti Squash

    This recipe for Instant Pot Tomato Basil Spaghetti Squash is mostly vegetables! It's full of flavor and perfect for a weeknight dinner.
    4.52 from 27 votes
    ↑ Click stars to rate!
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    Prep Time: 10 minutes minutes
    Cook Time: 13 minutes minutes
    Total Time: 23 minutes minutes
    Servings: 3
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    Video

    Equipment

    • Instant Pot
    • Measuring Cups and Spoons Set
    • Wooden Spoon

    Ingredients

    • 1 spaghetti squash (3 cups cooked)
    • 1 cup water
    • 1/2 tablespoon olive oil
    • 1 teaspoon minced garlic
    • 1 cup sliced grape tomatoes
    • 1/8 teaspoon sea salt
    • 1/4 cup whipped cream cheese
    • 1/2 cup shredded Parmesan cheese
    • 1/2 cup sliced fresh basil

    Instructions

    • Cut the spaghetti squash into rings and remove the seeds and stringy pulp. You can soften the spaghetti squash in the microwave for 2-3 minutes before cutting it.
    • Put the rack into the Instant Pot and add one cup of water. Then, add the spaghetti squash rings.
    • Add the cover and turn the vent to sealing. Press Pressure Cook on high pressure (or Manual on some Instant Pots) and set the timer for 8 minutes.
    • Once it's finished cooking, do a quick pressure release. Open the lid and remove the cooked spaghetti squash. Use a fork to remove the strands of spaghetti squash.
    • Set the Instant Pot to saute and allow it to heat up. Add the olive oil and minced garlic. Saute for a couple of minutes. Add the sliced grape tomatoes and saute until softened.
    • Add the cooked spaghetti squash and stir to coat with the cooked tomatoes. Add the whipped cream cheese, shredded Parmesan cheese, and chopped basil. Toss or stir to combine.
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    Notes

    Don't worry if you don't have an Instant Pot, I've got you covered! You can buy an Instant Pot like I have here. Or you can cook your spaghetti squash in the microwave with this recipe of mine and do the sauteeing on the stove.

    Nutrition

    Serving: 1/3 | Calories: 237kcal | Carbohydrates: 27g | Protein: 10g | Fat: 12g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Cholesterol: 22mg | Sodium: 497mg | Potassium: 546mg | Fiber: 6g | Sugar: 12g | Vitamin A: 1252IU | Vitamin C: 15mg | Calcium: 317mg | Iron: 1mg
    Course: Dinner
    Cuisine: American
    Author: Tonia Larson

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    About Tonia Larson

    Hi! I’m Tonia, the owner and recipe creator at The Gunny Sack, where I’ve shared easy recipes for busy people for 14+ years! My family-friendly meals, easy side dishes, and delicious desserts include mouthwatering photos, dynamic videos, and step-by-step instructions to help you cook at home.

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    Comments

      4.52 from 27 votes (25 ratings without comment)

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      Recipe Rating




    1. Casey says

      March 5, 2020 at 7:18 pm

      Is this recipe gluten free?

      Reply
    2. Pam says

      July 13, 2019 at 12:25 pm

      To make it really healthier – no cheese. Instead add nutritional yeast for taste. It gives the cheesy flavor without the calories and fat (saturated fat).

      Reply
    3. Ashley fox says

      January 19, 2019 at 8:31 pm

      Where Is the serving size located?

      Reply
      • Tonia says

        January 19, 2019 at 11:02 pm

        It’s right above the ingredients list. It says:

        Course: Dinner
        Serving Size:6
        Calories: 118k

        If you click on the serving size a slider will appear and you can change the number of servings you need and the ingredient measurements will change too.

        Reply
        • Heather says

          February 6, 2019 at 4:49 pm

          How much is one serving? A cup?

          Reply
          • Tonia says

            February 6, 2019 at 5:02 pm

            Yes, it’s about one cup. Enjoy! ~Tonia

            Reply
    4. Darlene says

      February 16, 2018 at 2:07 pm

      5 stars
      I love this recipe for instant pot spaghetti squash……….it is so quick and easy and delicious.

      Reply
    5. Sean Mahan says

      January 12, 2018 at 1:22 pm

      5 stars
      Yummy, this seems delicious and I’ll sure try it! Do you think muzzarela works as well as parmesan in this recipe?

      Reply
      • Tonia says

        January 12, 2018 at 7:36 pm

        Hi Sean,
        Yes, you could use mozzarella instead. The parmesan has more flavor and more salt so it will taste different but still good!
        ~Tonia

        Reply
    Tonia Larson from The Gunny Sack.

    Hi, I'm Tonia! Welcome to The Gunny Sack, where I’ve shared easy recipes for busy people for 15+ years! Meet Tonia Larson →

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