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Keto Tomato Sauce

This is the best recipe for a keto tomato sauce that is full of flavor and can be used in so many recipes. All while only using 5 ingredients!
Course Side Dish
Cuisine American
Keyword keto marinara sauce, Keto tomato sauce
Prep Time 5 minutes
Cook Time 30 minutes
Total Time 35 minutes
Servings 10 servings
Calories 58kcal


  • 1/4 cup extra virgin olive oil
  • 3 cloves garlic finely diced
  • 1 28 ounce can diced tomatoes
  • 1/2 teaspoon dried oregano
  • 1 teaspoon white vinegar
  • 1/2 teaspoon salt


  • In a small saucepan over medium-high heat, saute the garlic in the olive oil. Saute for a minute until the garlic is fragrant. Make sure the garlic doesn’t brown and become burnt.
  • Turn the heat down and add the tomatoes, oregano, vinegar, and salt to the saucepan. Bring to a simmer and allow to cook for 30 - 40 minutes, allowing the sauce to reduce and thicken.


You can use this tomato sauce immediately if desired or it can be stored for later use. To store the sauce, allow it to cool to room temperature first. Once cooled, transfer to an airtight container and refrigerate for up to 5 days. 
You can also freeze the sauce after it has cooled to room temperature. Freeze in bags or a container for up to 6 weeks. Defrost before use. 


Calories: 58kcal | Carbohydrates: 1.5g | Protein: 0.7g | Fat: 5.8g | Saturated Fat: 0.9g | Polyunsaturated Fat: 0.6g | Monounsaturated Fat: 4g | Trans Fat: 0g | Cholesterol: 0mg | Sodium: 6mg | Potassium: 128.2mg | Fiber: 0.5g | Sugar: 1g | Vitamin A: 0IU | Net carbs: 1g