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a glass jar of sugar free ketchup and a spoon and turnip fried in the background
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4.98 from 38 votes

Sugar Free Ketchup

It only takes 30 minutes to make your own homemade sugar free ketchup using tinned tomatoes, vinegar and a handful of spices. Enjoy your burgers, hot dogs and low carb chips without loading up on carbs! This keto ketchup recipe is super simple and tastes so much better than anything you can buy in the shops.
Cook Time30 minutes
Total Time30 minutes
Course: Condiment
Cuisine: British
Servings: 12
Calories: 6kcal

Ingredients

  • 14 oz / 400g tin good quality chopped tomatoes or passata just tomatoes!
  • 2 tablespoon apple cider vinegar
  • 1-2 tablespoon golden erythritol optional ***see notes
  • 1 garlic clove mashed, or ¼ teaspoon garlic powder
  • ¼ teaspoon Dijon mustard
  • ¼ teaspoon onion powder
  • 1 pinch ground allspice
  • 1 pinch cinnamon
  • salt and pepper to taste

Instructions

  • Combine all ingredients, cook on a low heat for 30 minutes.
  • Stir frequently until sauce thickens.
  • Blend with an immersion blender until smooth.

Notes

0.7g net carbs per portion of 1 tablespoon (15 grams)
12 - 14 tablespoon per entire recipe. 
**The golden erythritol is optional, but it does enhance the taste. You can replace it with other sweeteners.
You can use fresh tomatoes for this recipe if you wish. It adds a little extra work, but would taste great if you use a sweet variety of tomatoes. The ones one the vine are normally quite good. Make sure you blanch them (pour boiling water over them) and remove the skins plus the hard green bit at the top. Then cube them and proceed with the recipe as above.
Store in an airtight container in the fridge. The ketchup stays fresh for 3-4 weeks.

Nutrition

Serving: 15g | Calories: 6kcal | Total Carbohydrates: 1.3g | Protein: 0.3g | Fat: 0.1g | Sodium: 0.1mg | Potassium: 4.2mg | Fiber: 0.7g | Sugar: 0.9g