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    Home ยป PASTA

    Spaghetti Squash Pasta with 'Meaty' Sauce

    Modified: Aug 30, 2025 by Susan Pridmore ยท This post may contain affiliate links ยท Leave a Comment

    This spaghetti squash pasta recipe is ready in 30 minutes if you have an air fryer or electric pressure cooker. It's topped with a vegetarian pasta sauce using Beyond Beef crumbles that is easily made vegan, and it's all completely gluten free.

    The pasta sauce made with Beyond Beef crumbles can be made ahead of time, and stored in the refrigerator for up to 3 - 4 days, or 3 months in the freezer.

    Jump to Recipe
    White platter heaped with golden spaghetti squash cooked in the air fryer, and topped with a meatless hearty tomato sauce.

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    • ๐Ÿคทโ€โ™€๏ธ Is Spaghetti Squash High in Carbs?
    • ๐Ÿ‘ฉโ€๐Ÿณ How To Cook Spaghetti Squash
    • ๐Ÿง… Main Ingredients + Notes
    • ๐Ÿ”ช Recommended Equipment
    • ๐Ÿ“ Instructions Overview
    • โฐ Tips to Simplify and Save Time
    • ๐Ÿ’กIdeas for Possible Variations
    • ๐Ÿฅฌ Make it Vegan
    • ๐Ÿ“‡ More Spaghetti Squash Recipes
    • Spaghetti Squash Pasta with 'Meaty' Sauce
    • Ingredient Notes for the Pasta Sauce

    This healthy spaghetti squash recipe is perfect for those nights when life is crazy, and you need something healthy, satisfying and fast.


    ๐Ÿคทโ€โ™€๏ธ Is Spaghetti Squash High in Carbs?

    When we think of fall and winter squash, we naturally - and rightly - associate them with a lot of carbs. For example, 1 cup of butternut squash cubes (100 grams) delivers 21.5 grams of total carbs and 15 net carbs. It's not as bad as a baked potato, which comes in at 37 carbs, but spaghetti squash stacks up well against butternut.

    1 cup of spaghetti squash, on the other hand, contains a total of 10 total carbs, and 7.8 net carbs.

    Net carbs only includes carbs that the body can fully digest into glucose. So, for example, fiber is subtracted from the total carbs calculation to arrive at net carbs. Check out this article for more information on net carbs vs. total carbs.

    And when we swap in spaghetti squash noodles for wheat based spaghetti, the difference in carbs is even more dramatic.

    Regular spaghetti noodles come in at a whopping ~42 total carbs (!) and almost 41 net carbs. And now that you know the difference between total and net carbs, it's easy to see how little fiber regular spaghetti noodles provide our diet.


    ๐Ÿ‘ฉโ€๐Ÿณ How To Cook Spaghetti Squash

    There are a number of ways to cook spaghetti squash. If you have an air fryer, check out this post for Air Fryer Spaghetti Squash. It covers the advantages (and drawbacks) of all the different methods, as well as detailed instructions on slicing the squash and readying it for cooking. Detailed instructions for cooking in the air fryer with photos are provided too.

    Below are some highlights on my 2 favorite ways.

    How to Cook Spaghetti Squash in the Air Fryer

    My favorite method for cooking spaghetti squash is the air fryer.

    Slice the squash in half lengthwise, and scoop out the pulp and seeds. Oil the inside surfaces, and set the air fryer temperature for 375หšF. Roast for 15 - 20 minutes, depending on the size of the squash.

    How to Cook Spaghetti Squash in an Electric Pressure Cooker

    My second favorite way to cook spaghetti squash is in an electric pressure cooker, such as the Instant Pot.

    Place a rack, in the inner pot with a cup water. Puncture the squash a few times with a sharp knife, and position it on the rack. You may need to slice off the top stem to do this. Lock it down, and cook on HIGH PRESSURE for 15 minutes. Perform a QUICK RELEASE. Allow to cool a bit before slicing in half and scooping out the pulp and seeds.

    Spaghetti squash halves in the basket of an air fryer, with one of the halves all fluffed up with a fork showing the spaghetti strands.
    Spaghetti squash cooked in the air fryer, and scraped with a fork to create strands.

    ๐Ÿง… Main Ingredients + Notes

    The secret to faster and easier meals often lies in the ingredients. Shortcut store-bought options and ingredients you can make ahead and save in the refrigerator can turn a dish that takes 60 (or more) minutes to make into a 30 minute meal or less.

    For the all of the ingredients, measurements and directions, go to the Recipe Card at the bottom of this post.

    • Spaghetti squash
    • Yellow onion
    • Garlic - I often use Gourmet Garden Stir-In Garlic Paste because it's so much faster and easier than mincing my own garlic or making garlic paste. But you can also make your own garlic paste using this method.
    • Red peppers - if I'm in a hurry for a quick weeknight dinner, I use jarred roasted red peppers that are already peeled, but you can easily roast your own, peel and seed them.
    • Beyond Beef Crumbles - Beyond Beef is also available refrigerated (not frozen) in 1 pound packages. But I sometimes turn to frozen packages of Beyond Beef Crumbles for convenience. If you want to stay away from process foods altogether, substitute firm tofu.
    • Marinara sauce - You can make your own tomato sauce, and keep it in jars in the refrigerator or freezer, or purchase a favorite one. If I don't have any of my own on hand, I prefer Rao's Marinara Sauce above others that I've tried.
    • Basil pesto - This is completely optional, but adds a wonderful extra layer of flavor depth. I typically make a lot of homemade pesto in the late summer and freeze it, and then add cubes to sauces. But you can also purchase your favorite pre-made pesto at your market.
    • Oregano - fresh or dried.

    Disclosure: This post may contain affiliate links to products and foods I use in my kitchen. This means that at no additional cost to you, I will earn a commission if you click through and make a purchase. To view my entire storefront of recommended kitchen tools and equipment, check out my shop on Amazon.

    ๐Ÿ”ช Recommended Equipment

    • Chef's knife
    • Air fryer or Instant Pot - for cooking the spaghetti squash
    • Large skillet

    ๐Ÿ“ Instructions Overview

    Detailed instructions for making this spaghetti squash pasta dish are in the recipe card below, but here's a quick overview!

    Step 1

    Cook the spaghetti squash. Use your favorite method for cooking the spaghetti squash. Options and details are provided above.

    Step 2

    Make the sauce. Cook the diced onion in a little olive oil in a skillet that's large enough to accommodate the sauce. When it's softened, add the garlic and red peppers.

    After a couple minutes, add the frozen crumbles. When the crumbles are thawed and warmed up, add the marinara and pesto. Stir in the oregano.

    Step 3

    Assemble. Scrape up the spaghetti squash strands using the tines of a fork, and top with the sauce. Alternatively, you can dump the noodles onto a plate, as pictured, and top with the sauce.

    โฐ Tips to Simplify and Save Time

    • Cook the spaghetti squash in an electric pressure cooker, such as the Instant Pot, or an air fryer.
    • Use store-bought garlic paste, as described in the Ingredients Section above.
    • Purchase a jar of pre-roasted, peeled and seeded red peppers instead of roasting your own.
    • Use store-bought marinara and pesto sauces.

    ๐Ÿ’กIdeas for Possible Variations

    If you have any balsamic tomatoes on hand in the refrigerator, add two or three of them to the sauce. They add a fabulous boost of umami to the sauce.

    ๐Ÿฅฌ Make it Vegan

    Use a vegan pesto or make your own with a plant-based Parmesan style cheese.

    ๐Ÿ“‡ More Spaghetti Squash Recipes

    Creamy Spinach Spaghetti Squash Casserole

    Want to Save This Recipe?

    Enter your email & I'll send it to your inbox.ย Plus, get great new recipes from me every week!

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    White platter heaped with golden spaghetti squash cooked in the air fryer, and topped with a meatless hearty tomato sauce.
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    Spaghetti Squash Pasta with 'Meaty' Sauce

    Spaghetti squash topped with a meaty sauce made with Beyond Beef Crumbles, tomato sauce and a little fresh oregano.
    Print Recipe Save Saved! Pin Recipe Add to Recipe Collection Go to Collections Add to Shopping ListGo to Shopping List
    Prep Time10 minutes mins
    Cook Time20 minutes mins
    Total Time30 minutes mins
    Course: vegetarian main
    Cuisine: Any
    Keyword: spaghetti squash, spaghetti squash with sauce
    Servings: 2 people
    Calories: 629.2kcal
    Author: Susan Pridmore
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    Equipment

    • Chef's knife
    • Air Fryer
    • Large skillet

    Ingredients

    • 1 spaghetti squash
    • 3 tablespoons extra-virgin olive oil divided
    • 1 teaspoon kosher salt
    • 1 yellow onion diced (about 2 cups)
    • 1 tablespoon garlic paste or 4 - 5 large garlic cloves smashed and minced
    • 2 roasted red peppers chopped into ยฝ" pieces (see ingredient notes below)
    • 1 10-ounce package of Beyond Beef Crumbles
    • 2 cups your favorite store-bought tomato sauce or make your own
    • ยผ cup pesto
    • 2 teaspoons finely chopped oregano

    Instructions

    • Preheat the air fryer to 375หšF. Slice the spaghetti squash in half, lengthwise, and scoop out the pulp and seeds using a spoon. Rub the inside surfaces with 1 tablespoon of olive oil. Lightly salt the surfaces.
    • Roast for 15 minutes. If strands don't come up when scraping a fork across the surface, roast for an additional 5 minutes. For more details, or roasting in the oven, see this article.
    • While the squash roasts, add the 2 remaining tablespoons of olive oil to a large sautรฉ pan, over medium heat. Add the diced onion and sautรฉ for 5 minutes, or until it begins to soften. Add the garlic and chopped roasted red pepper, and sautรฉ another 5 minutes.
    • Add the frozen Beyond Beef crumbles and cook for 5 minutes until thawed. Stir in the pasta sauce and pesto. Cook until bubbling.
    • Scrape up the spaghetti squash strands using a fork, and pile it onto 2 plates. Top with the sauce and a sprinkling of fresh oregano.

    Notes

    Ingredient Notes for the Pasta Sauce

    The secret to fast, healthy meals often lies in the ingredients. Short-cut store-bought options, and ingredients you can make ahead and save in the refrigerator, can turn a dish that takes 60 (or more) minutes to make into a 30 minute meal or less.

    Garlic Paste

    I'm all for saving time, and this is something I purchase already done for me. I've tried a lot of them, and most of them are watery with a very muted flavor. The only one I use now is Gourmet Garden Stir-In Garlic Paste.ย 

    Roasted Red Peppers

    In the same vein as the garlic paste, if I'm in a hurry for a quick weeknight dinner, I use jarred roasted red peppers that are already peeled. It's not difficult at all to roast your own peppers, and the flavor will be fuller, but it will take longer than opening a jar if you're trying to save time.

    Beyond Beef Crumbles - Beefy

    Beyond Beef is also available refrigerated (not frozen) in 1 pound packages. But I sometimes turn to these frozen packages of Beyond Beef Crumbles for convenience. If you want to stay away from process foods altogether, substitute firm tofu in place of the beef substitute.

    Marinara Sauce

    You can make your own tomato sauce, and keep it in jars in the refrigerator or freezer, or purchase a favorite one. If I don't have any of my own on hand, I prefer Rao's Marinara Sauce above others that I've tried.

    Pesto Sauce

    This addition is completely optional, but adds a wonderful extra layer of flavor depth. I typically make a lot of homemade pesto in the late summer and freeze it, and then add cubes to sauces. But you can also purchase your favorite pre-made pesto at your market.

    Nutrition

    Calories: 629.2kcal | Carbohydrates: 56.8g | Protein: 22.4g | Fat: 38.8g | Saturated Fat: 5.5g | Polyunsaturated Fat: 3.6g | Monounsaturated Fat: 15.6g | Cholesterol: 2.5mg | Sodium: 3147.9mg | Potassium: 1484.5mg | Fiber: 12g | Sugar: 24.5g | Vitamin A: 2194.1IU | Vitamin C: 46.6mg | Calcium: 267.2mg | Iron: 9.1mg
    ยซ Vegetarian Meal Plan #20
    Best Ever Spinach Madeline Recipe ยป

    About Susan Pridmore

    Susan Pridmore is an award-winning cookbook author and the owner of The Wimpy Vegetarian. She has been featured in Huffington Post, Healthline, BuzzFeed, and has written for and developed recipes for The Food Network and Parade Magazine. She is professionally trained and focuses on easy vegetarian recipes for busy lives, bread-baking, and tips for new vegetarians. Susan lives in the mountains in Lake Tahoe with her husband and mini-labradoodle.

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    about the author:

    Susan Pridmore

    Hi there! I'm an award-winning cookbook author, culinary school graduate, professional photographer and recipe developer. My cookbook Simply Vegetarian was named #1 best cookbook for new vegetarians, and I want to make it easier for you to cook fabulous vegetarian meals. Come join me in the kitchen!

    More about me โ†’

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