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low carb spaghetti sauce and pasta on plate.

Sugar-Free Spaghetti Sauce

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  • Author: Deb Belsha
  • Prep Time: 5 minutes
  • Cook Time: 40 minutes
  • Total Time: 45 minutes
  • Yield: 6 servings 1x
  • Category: Dinner
  • Method: Stove Top
  • Cuisine: Italian


This low carb, sugar free spaghetti sauce tastes like a classic homemade pasta meat sauce. Simmered with San Marzano tomatoes and Italian seasonings, no one will know it is healthy and low carb.  


Units Scale
  • 1 pound ground beef, 85 % lean
  • (1) 28 oz. can crushed tomatoes, San Marzano
  • 1 tablespoon olive oil
  • 2 garlic cloves, peeled and minced
  • 1 small onion, chopped
  • 1 teaspoon dried oregano
  • 1 teaspoon dried basil
  • 1/2 teaspoon dried thyme
  • 2-3 teaspoons sugar substitute
  • shaved parmesan cheese for garnish, optional


  1. Add oil to large skillet and fry the onion until light brown.  Add the minced garlic and cook for about 1-2 minutes, but don't brown it. Remove these to bowl or plate.
  2. Fry the ground beef in pan until browned. Drain the fat.  Stir in the seasonings and sugar substitute.
  3. Add the tomatoes, onion and garlic.  Stir well, cover and bring to light boil.  Turn heat down to simmer and cook for at least 30 minutes, stirring every 15 minutes. *
  4. Serve with pasta of choice, garnish with shaved parmesan cheese.


* you can use fresh basil, 1/4 chopped = 1 Tablespoon

*Taste the sauce before you add more seasonings or sugar.

*Other brands of crushed tomatoes are fine.  Just read the label for added sugar.

*If you have more time, simmer the sauce for up to an additional hour for a very thick sauce.

*Each serving of sauce is approximately 3/4 cup.

*Store leftovers in an airtight container in the refrigerator for 3-4 days.  Or freeze for up to 3 months, defrost overnight in refrigerator and reheat on stovetop.