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Slow Cooker Keto Spaghetti Sauce

Since we found something like 11 lbs of ground beef earlier this week and it didn't really look like it would last, we decided to just cook it all right away. We made spaghetti sauce to have with spaghetti squash. 


This spaghetti sauce is pretty easy to make. The ingredients are pretty basic: ground beef, onion, tomatoes, and spices. The most complicated part is figuring out your spices. You are only adding them for taste, so add what smells right. The spices that we used were oregano, salt, pepper, and Italian seasoning.


With both the meat and the onion, we cooked them in a frying pan before combining them in the Crock Pot. We first cooked the ground beef to brown it. This also helped keep some of the fat out of the sauce. It also left fat in the pan for frying the onion.

Once the beef and onion are cooked and added to the slow cooker, you just need to add your can of tomatoes and your spices. This is where I tell you that the order in which you add your ingredients together doesn't matter, as long as you make sure that your spices are evenly mixed in. Mix up your ingredients and let the mix sit, cooking on low, in your cooker for at least 8 hours. You can leave it in for pretty much as long as you need. We left it simmering until at least some of the water had evaporated.


We cooked some spaghetti squash to eat with our spaghetti sauce, but you should cook up whatever pasta substitute you want with your sauce. I'll be honest, half the time I make sauce like this, I eat it without anything else. So you eat your food however you want.

Slow Cooker Keto Spaghetti Sauce
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  • 1 lb Ground Beef
  • 1 Onion
  • 1 16 oz can of Diced Tomatoes
  • Oregano
  • Salt
  • Pepper
  • Italian Seasoning


  1. Brown ground beef.
  2. Add ground beef to slow cooker.
  3. Add diced tomatoes to slow cooker.
  4. Carmelize onion.
  5. Add onion to slow cooker.
  6. Add spices to taste.
  7. Mix and cook for about 8 hours on low.
  8. Serve over your favorite pasta substitute.
1410 cal
114 g
19 g
74 g

Click Here For Full Nutrition, Exchanges, and My Plate Info

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