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Keto Tomato Sauce (Marinara)

This easy slow-simmered sauce is a favorite family recipe that tastes better than jarred sauce. Low carb ingredients keep it keto and delicious.
Course Basics
Cuisine Italian
Prep Time 15 minutes
Cook Time 1 hour 45 minutes
Total Time 2 hours
Servings 16
Calories 35kcal
Author Kim Hardesty

Equipment

  • 4 Quart Pot

Ingredients

  • 2 (28 oz) cans whole peeled tomatoes with puree
  • 1 tablespoon olive oil
  • 4 cloves garlic, sliced
  • ½ medium onion, peeled but left intact
  • 1 ½ teaspoon dried basil*
  • ½ teaspoon dried oregano*
  • ½ can water (fill one of the tomato cans half way)
  • 1 teaspoon salt
  • 1 ½ tablespoon low carb sugar (Sukrin :1. Swerve, Lakanto, Besti, Truvia)
  • 1-2 large sprigs fresh basil (optional)
  • 1-2 large sprigs fresh parsley (optional)
  • ¼ cup grated Parmesan cheese

Instructions

  • Slice garlic and place into pot with olive oil. Turn the heat to medium and cook, stirring occasionally until slightly softened and the oil is flavored.
  • Meanwhile, open the tomato cans and pour the tomatoes into a blender or food processor and pulse to break-up the tomatoes. Pulse more for a smooth sauce and less for a chunky sauce.
  • Pour the processed tomatoes into the pot with the garlic and add the half onion, dried basil, dried oregano, salt, sweetener, and half a can of water.
  • Simmer for 1 hour. Then add the fresh basil, parsley, and Parmesan cheese. Simmer for 30-60 minutes more or until it's as thick as you like. (You can tell it's thickening because the consistency will look a little syrupy when the bubbles break upon the surface. Remember that the sauce will thicken further upon cooling and refrigeration.)
  • Remove the onion, and sprigs of fresh basil and parsley before serving or cooling and storing.
  • Makes 2 quarts or 8 cups. Serves 16. Each serving is ½ cup and 3.5 g NET CARBS each.
  • ****See post for ideas on adjusting taste per you and possible sauce variations.****

Notes

*Rub dried herbs in palm of hand with opposite thumb or finger to release natural oils before adding to any recipe.

Nutrition

Serving: 0.5cups | Calories: 35kcal | Carbohydrates: 4.5g | Protein: 1.5g | Fat: 1.3g | Polyunsaturated Fat: 0.11g | Monounsaturated Fat: 0.75g | Cholesterol: 1mg | Sodium: 341mg | Potassium: 8mg | Fiber: 1g | Sugar: 2.48g | Vitamin A: 6812IU | Vitamin C: 240mg | Calcium: 592mg | Iron: 10.35mg