• 900g blackberries
  • 900g golden granulated sugar
  • knob of butter


  1. Put your fruit into a preserving pan or large saucepan and add 50ml of water and 1 tbsp of lemon juice. Bring the ingredients to the boil.    blackberries
  2. Lower the heat and simmer for 15 minutes.The fruit should be now be soft, if not keep on heat until it is.
  3. Pour in the sugar, stir in over a very low heat until the sugar has completely dissolved. Turn the heat back up, bring to a rolling boil, then boil blackberries for 11-12 minutes, DO NOT STIR – until the setting point of 105C is reached.
  4. Remove from the heat, skim off any scum, then stir in a 150g of butter. Leave for about 20 mins so the fruit can settle. Pour into sterilized jars, label and seal.IMG_7694    BlackberryJam-final