Our easy to make Keto Marinara Sauce recipe is a great low-carb base for spaghetti, pizza, or a tasty addition to meat and vegetables.

This Keto Marinara Sauce has none of the sugar, additives, and thickeners you’ll find in store-bought versions. But this low-carb marinara sauce has heaps of flavor.
We dip our Cauliflower Tots in it, top our Chicken Parmigiana with it, and toss our vegetables in it. It’s one versatile keto tomato sauce. We even use our keto marina sauce as an ingredient for our Keto frypan pizza recipe.
Keto Marinara Sauce Ingredients

- 2 tablespoons of Olive Oil
- 1 clove of Garlic, finely grated
- 2 teaspoons of Onion Flakes
- 2 teaspoons of Fresh Thyme, finely chopped
- 2 teaspoons of Fresh Oregano, finely chopped
- 24 ounces of Tomato Puree
- 2 teaspoons of Erythritol, granulated
- 1 teaspoon of Pepper, ground
- 1 teaspoon of Salt
- 1 tablespoon of Red Wine Vinegar
- 2 tablespoons of Fresh Parsley, finely chopped
How To Make Keto Marinara Sauce

- In a saucepan, place the oil, garlic, onion flakes, thyme, and oregano. Saute over medium heat for 3 minutes.
- Add the tomato puree and stir well.
- Add the erythritol, pepper, salt, and red wine vinegar and bring to a simmer.
- Turn off the heat and stir through the parsley.
- Cool the sauce and store in an airtight jar in the fridge.

Best Keto Marinara Sauce - Spaghetti, Pizza etc
Ingredients
- 2 tablespoons Olive Oil
- 2 cloves Garlic finely grated
- 2 teaspoons Onion Flakes
- 2 teaspoons Thyme finely chopped
- 2 teaspoons Oregano finely chopped
- 24 ounces Tomato Puree
- 2 teaspoons Erythritol
- 1 tablespoon Red Wine Vinegar
- 1 teaspoon Salt
- 1 teaspoon Pepper ground
- 2 tablespoons Parsley finely chopped
Instructions
- In a saucepan, place the oil, garlic, onion flakes, thyme and oregano. Saute over medium heat for 3 minutes, until fragrant.
- Add the tomato puree and stir well.
- Add the erythritol, pepper, salt and red wine vinegar and bring to a simmer.
- Turn off the heat and stir through the parsley
- Cool the sauce and store in an airtight jar in the fridge.
Video
Notes
Nutrition
How To Store Marinara Sauce
Marinara sauce can be stored in an airtight jar in the fridge for up to 3 weeks or frozen for up to 3 months.
This keto sauce makes 24 ounces/680g of sauce, of which a serving is a ¼ cup. The recipe makes 14 servings, 1 serving has 2g of net carbs.

Looking for more delicious Keto Sauce recipes? Try our;
To make a larger batch of this Low Carb Keto Marinara Sauce recipe adjust the serving amounts above.Â
Delish! Love this recipe for Marinara!
Hi Patricia,
Thank you, so glad you loved the sauce 🙂