Slow Cooker Spaghetti & Spaghetti Squash

slow cooker spaghetti

If you are a fan of spaghetti squash I have a wonderful dinner idea for you to try out. Whip up this easy Slow Cooker Spaghetti and Spaghetti Squash for a lighter version to the classic spaghetti with pasta noodles. Make this slow cooker spaghetti sauce and serve over a bed of spaghetti squash noodles.

fork with spaghetti squash and meat sauce

I wanted to give you another great slow cooker dinner idea. If you love slow cooker cooking, check out these other recipes. Slow cooker beef gyros, Kung Pao chicken, crockpot ham and beans, or Olive Garden Chicken Gnocchi soup.

Slow Cooker Spaghetti

Now I serve this spaghetti sauce over spaghetti squash, but you are more than welcome do to a pasta if you prefer.

Or if you are gluten-free spaghetti squash is a wonderful alternative, or reach for zoodles, or even gluten-free pasta.

Main Ingredients Needed

Meat Sauce | I made this homemade meat sauce in the slow cooker. Ground beef, tomatoes, a handful of seasonings!

Spaghetti Squash | Skip the pasta and reach for a spaghetti squash. I cooked in the microwave and transferred to oven for an easy pairing to the sauce.

homemade pasta sauce on spoon above spaghetti squash

How to Make Slow Cooker Spaghetti Sauce

Start by cooking your ground beef in a skillet, and then drain off the excess fat. Pour the meat into the slow cooker and add in your diced tomatoes, tomato sauce, and seasonings.

Stir and then cover and cook for 4 hours. Serve over pasta, zucchini noodles or even spaghetti squash like I did here.

cooked spaghetti squash on plate on table

How to Cook Spaghetti Squash

To cook your spaghetti squash in the microwave just clean your squash. Then cut holes in the squash and place on a plate. Cook on high for 8 minutes.

Slice squash in half, remove seeds, then you will want to place the squash halves on a baking sheet drizzled with olive oil. Then season with salt and pepper.

Accessories I Recommend for Slow Cooker Cooking

Disposable Liners | Liners are great so you can place in the slow cooker, then toss in food. Then you can keep your slow cooker clean, as your food bakes. Then when done, toss the disposable liner in trash and have minimal cleanup.

Meat Chopper | A great tool to use for any cooking of crumbled meat. Whether you do beef or sausage this works great at crumbling up your meat.

Bag Holders | If you make extra food and love to meal prep, use these bag holders to pour food in bags so easily. This is a must-have tool I use all the time in my kitchen.

crockpot pasta sauce with spahetti sqush

Freeze Leftover Meat Sauce

You are more than welcome to freeze any leftover meat sauce you have on hand. You can freeze all in one container or do single servings if you want to pair with some noodles for a quick lunch.

Freeze your meat sauce for up to three months in the freezer. Do a sealable freezer bag or airtight freezer container.

Slow Cooker Spaghetti & Spaghetti Squash

Slow Cooker Spaghetti & Spaghetti Squash

Yield: 5
Prep Time: 10 minutes
Cook Time: 4 hours
Spaghetti Squash Time: 1 hour
Total Time: 5 hours 10 minutes

If you love pasta but hate the carbs that come with it, try out this delicious Spaghetti Squash Recipe in the Slow Cooker or Instant Pot!


  • 1 lb. Ground Beef, Cooked
  • 29 oz. Diced Tomatoes
  • 16 oz. Tomato Sauce
  • 2 Tbsp. Chili Powder
  • 2 Tbsp. Onion Flakes
  • 1 tsp. Garlic Powder
  • 1/2 tsp. Oregano
  • 1 tsp. Salt
  • 1 tsp. Pepper
  • 1 Tbsp. Sugar (Optional)
  • 1 Medium, Spaghetti Squash
  • 1/2 lb. Spaghetti Pasta (optional for kids)
  • 2 Tbsp. Olive Oil


    1. Combine Cooked Ground Beef, Tomatoes, Tomato Sauce, and Seasonings in a Slow Cooker.
    2. Cook on High for 4 hours, Serve over Spaghetti Noodles or Spaghetti Squash. ***
    3. Pierce your Spaghetti Squash with a fork and Microwave on High for 8 Minutes
    4. Slice Squash in Half Lengthwise and Spoon Out Seeds.
    5. Place on a Baking Sheet Drizzle with Olive Oil and Season with Salt and Pepper.
    6. Turn the Squash Over so the Cut Side is Down and Bake at 400 Degrees for 40-50 minutes.
    7. After baking, using a fork, scrape the squash out and top with your ground beef mixture.


*** Optional: Use your Instant Pot instead of putting the squash in the oven, Cook on Manual Pressure for 10 Minutes

Nutrition Information:
Yield: 5 Serving Size: 1
Amount Per Serving: Calories: 489Total Fat: 23gSaturated Fat: 7gTrans Fat: 1gUnsaturated Fat: 13gCholesterol: 81mgSodium: 1330mgCarbohydrates: 43gFiber: 9gSugar: 16gProtein: 31g
slow cooker spaghetti

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