Healthy Home-made Ketchup (low-carb, paleo, keto) 1 cup tomato purée ¼ cup apple cider vinegar or white / red wine vinegar, or try my home-made fruit vinegar (60 ml / 2 fl oz) 1 small onion (60g / 2.1 oz) 2 cloves garlic ⅛ tsp allspice ⅛ tsp ground cloves 3-6 drops stevia (I use SweetLeaf) 2 tbsp Erythritol or Swerve or other healthy low-carb sweetener from this list (20g / 0.7 oz) 1 tsp sea salt or pink Himalayan salt pinch ground black pepper ¼ cup water or more if too thick (60 ml / 2 fl oz)