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    Home » Ingredients » Beef

    Easy Low Carb Keto Spaghetti

    Published: Oct 25, 2021 by Wendy Polisi Modified: Nov 10, 2025 · 745 words. · About 4 minutes to read this article.

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    If you've been craving pasta on a low-carb diet, this Keto Spaghetti is sure to scratch the itch! The crushed tomatoes and ground beef sauce is so bold and flavorful, you'll want to eat it like soup. Serve with your favorite keto-friendly spaghetti noodles, and you'll forget you're eating a low-carb dinner! Best of all, everything comes together in one pot on the stove. (Who doesn't love easy prep AND clean-up?) This recipe is the perfect way to treat the whole family to some low-carb comfort. 

    Overhead photo of two bowls of keto spaghetti surrounded by small bowls of parsley, shredded parmesan, and crushed red pepper flakes.

    This Keto Spaghetti with homemade ground beef and tomato sauce is the perfect way to satisfy your pasta cravings. It's a hearty dish that's full of bold, satisfying flavor.

    Best of all, everything comes together in one pot on the stove for easy prep and clean-up.  Serve this with Keto Cheese Breadsticks and Keto Broccoli or Brussels Sprouts for an easy meal the whole family will love.

    This Keto Spaghetti Meat Sauce recipe with low-carb noodles is one of my go-to meals, just like my Keto Beef Stroganoff.

    Overhead photo of a box of tomatoes, bottle of avocado oil, a plate of ground beef and sausage, and swerve, celery, onion, and seasonings in prep bowls.

    Let's Talk Ingredients

    For this keto pasta recipe, I like using 85% lean ground beef—it has the right balance of flavor and richness. Ground turkey works too if you want something lighter. I also add Italian sausage (with the casings removed) for that extra punch of flavor.

    When it comes to noodles, palmini and zucchini noodles are my go-tos—they’re low carb, gluten-free, and a great way to sneak in extra veggies. Palmini noodles have a texture that’s closest to traditional pasta, but shirataki noodles are another solid option if you want to switch things up.

    Tips & Tricks

    • If you are using zucchini noodles, make sure you cook them and then drain them well so they won't add too much moisture to your zucchini spaghetti. I like to saute them in a skillet with a little olive oil for a minute or two, drain them, then blot with paper towels before adding them to my dish.
    • To make your own crushed tomatoes for the Keto Spaghetti Sauce, peel, quarter, seed, and diced fresh tomatoes before putting them in a food processor. Don't process until completely smooth, make sure there are still some chunks.
    • For the full spaghetti night experience, sprinkle your plate with as little or as much grated parmesan as you want. Mozzarella cheese and parsley also make great toppings for your keto spaghetti noodles and meat sauce.

    How to Make Keto Spaghetti

    Add the oil to a large stockpot over medium high heat. Once hot, add the onion and celery, then cook for 5 minutes. Stir often.

    Onion and celery cooking in oil in a stockpot.
    Seasonings added to onion and celery in a stockpot.

    Push the vegetables to the side of the pot, then add the Italian seasoning, salt, garlic powder, black pepper, and crushed red pepper to the oil. Cook for 30 seconds.

    Ground beef and sausage that has just been added to seasonings in a stockpot.
    Browned ground beef and sausage.

    Add the ground beef and sausage. Cook, breaking up the meat with the back of a wooden spoon, for about 10 minutes or until the meat is brown.

    Add the tomatoes and Swerve, then bring everything to a boil. Reduce the heat to a simmer and cook, stirring occasionally, for 45 minutes.

    Finely chopped tomatoes and Swerve that has just been added to browned ground beef, seasonings, celery, and onions.
    Keto spaghetti sauce cooking in a stockpot.

    Taste, season with additional salt and pepper if desired, and enjoy.

    Close up overhead photo of keto spaghetti.
    If you like this recipe don't forget to leave a 5 star rating and let me know how it went in the below comments, I love hearing from you! You can also FOLLOW ME on FACEBOOK, INSTAGRAM, and PINTEREST to see all my delicious recipes.
    Square photo of keto spaghetti with small bowls of crushed red pepper flakes and shredded cheese.
    Print Recipe
    5 from 3 votes

    Keto Spaghetti with Palmini Noodles

    This keto spaghetti is pure comfort food!
    Prep Time15 minutes mins
    Cook Time1 hour hr 1 minute min
    Total Time1 hour hr 16 minutes mins
    Course: Main
    Cuisine: American, Italian
    Keyword: pasta
    Servings: 8
    Calories: 310.75kcal
    Author: Wendy Polisi
    As an Amazon Associate I earn from qualified sales.

    Ingredients

    • 2 tablespoons avocado oil
    • ½ cup chopped onion
    • 1 celery stalk chopped
    • 1 tablespoon Italian seasoning
    • 1 teaspoon garlic powder
    • ½ teaspoon crushed red pepper
    • ½ teaspoon sea salt
    • ¼ teaspoon crushed red pepper flakes
    • 16 ounce ground beef
    • 8 ounces Italian sausage casings removed
    • 26- ounces crushed tomatoes
    • 1 tablespoon Swerve confectioners
    • For serving: palmini noodles or zucchini noodles shirataki or konjac noodles also work

    Instructions

    • Heat the oil in a large stockpot over medium-high heat.
    • Add the onion and celery and cook for 5 minutes, stirring often.
    • Push the vegetables to the side, and add the Italian seasoning, salt, garlic powder, black pepper, and crushed red pepper to the oil. Cook for 30 seconds.
    • Add the ground beef and sausage. Cook, breaking up the meat with the back of a wooden spoon, for 10 minutes, or until the meat is brown.
    • Add the tomatoes and Swerve and bring to a boil. Reduce the heat to a simmer, and cook, stirring occasionally, for 45 minutes.
    • Taste, and season with additional salt and pepper if desired.

    Notes

    Storage and Reheating
    Leftovers can be stored in an airtight container in the refrigerator for up to four days.
    If possible, store the noodles and sauce separately. You can reheat the sauce in a pan on the stove, then add the keto pasta noodles at the end until warmed through.

    Nutrition

    Calories: 310.75kcal | Carbohydrates: 10.65g | Protein: 15.57g | Fat: 24.05g | Saturated Fat: 8.01g | Polyunsaturated Fat: 2.04g | Monounsaturated Fat: 11.55g | Trans Fat: 0.7g | Cholesterol: 61.8mg | Sodium: 520.04mg | Potassium: 538.4mg | Fiber: 2.37g | Sugar: 4.62g | Vitamin A: 286.97IU | Vitamin C: 9.96mg | Calcium: 61.92mg | Iron: 2.95mg
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    About Wendy Polisi

    Wendy Polisi is the creator of Kicking Carbs, where she shares low-carb recipes that are full of flavor and made for real life. As a cookbook author and food blogger, she’s passionate about helping families enjoy satisfying meals without the sugar crash. Wendy lives in Florida with her three kids and loves experimenting in the kitchen—especially when it involves cheese.

    Comments

      5 from 3 votes

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      Recipe Rating




    1. Genevieve says

      October 21, 2022 at 2:37 pm

      5 stars
      This is a great option for a low carb dinner! Love that combo of meats.

      Reply
    2. Allyssa says

      October 24, 2022 at 12:31 pm

      5 stars
      This is my new favorite spaghetti recipe! Turned out really delicious and super tasty! Perfect for any gatherings! Will surely have this again! Thanks a bunch for sharing!

      Reply
    3. Cristina says

      September 22, 2024 at 3:04 pm

      5 stars
      Love your recipes and thank you, but I wonder why your pics have such an odd color.

      Reply
    4. Marla says

      January 17, 2025 at 12:31 am

      I don’t know how to break down one cup with spaghetti squash for my keto app? Help?

      Reply
    A smiling woman in a white shirt stands at a kitchen counter outdoors, slicing lemons. There is a pitcher of lemonade, two glasses, and a plant on the table. Behind her are potted plants and gardening tools hanging on the wall.

    Welcome!

    I'm Wendy and I'm here to show you just how delicious a low carb, gluten free and keto diet can be! You are just as likely to find me obsessing over all things cheesy as you are getting excited by a full produce drawer. I'm a mom to three, obsessive planner and roller coasters are my happy place.

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