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Side view of a plate of slow cooker spaghetti squash topped with meat sauce
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5 from 1 vote

Slow Cooker Spaghetti Squash Recipe

Slow cooker spaghetti squash is delicious and super easy to make. Just top it with your favorite sauce and you have a full, healthy meal the takes very little effort.
Prep Time5 mins
Cook Time6 hrs
Total Time6 hrs 5 mins
Course: Brunch, dinner, lunch, Main Course, Side Dish
Cuisine: American
Keyword: crockpot spaghetti squash with sauce, slow cooker spaghetti squash, slow cooker spaghetti squash & red sauce
Servings: 6
Calories: 217kcal



  • 3 - 4 lb spaghetti squash whole
  • 2 - 3 cups sauce of choice
  • 2 cups browned ground beef or turkey Optional
  • ¼ cup grated parmesan cheese optional
  • Oregano optional


  • Wash the outside of your spaghetti squash and carefully prick it with a sharp knife or fork several times.
    3 - 4 lb spaghetti squash
  • Place whole spaghetti squash into slow cooker
  • Cover and cook on low for 5-6 hours.
  • Spaghetti squash is ready when you can easily dent it by pressing it with your finger or the back of a spoon. (be very careful if using a finger. It will be VERY hot!)
  • Use tongs to remove squash from slow cooker
  • Allow squash to cool off a bit for easier handling
  • While your squash is cooling, add sauce to your slow cooker. If you are planning to use ground meat, that should be added to your slow cooker along with the sauce
    2 - 3 cups sauce of choice, 2 cups browned ground beef or turkey
  • When squash has cooled enough to touch, carefully cut it in half. Use a spoon to scoop out seeds and pulp from the middle of your squash and discard.
  • Next, use a fork to loosen the strands into "spaghetti-like" pieces. These strands can be added back into your slow cooker and mixed with your sauce. Alternatively, you can plate the squash strands and top with your heated sauce.
  • top with grated parmesan and oregano when serving
    ¼ cup grated parmesan cheese, Oregano


If you choose to add ground beef or turkey to this dish, make sure it is browned and drained of fat in advance.  
Nutritional information was calculated based on lean ground beef and marinara sauce


Calories: 217kcal | Carbohydrates: 22g | Protein: 21g | Fat: 6g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 1g | Cholesterol: 50mg | Sodium: 792mg | Potassium: 902mg | Fiber: 5g | Sugar: 11g | Vitamin A: 824IU | Vitamin C: 13mg | Calcium: 118mg | Iron: 4mg