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open jar of jam with a spoon full of jam

Blackberry Jam

Karen Burns-Booth
Make the most of beautifully plump blackberries with this stunning blackberry jam recipe
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Preserves
Cuisine 🇬🇧 British
Servings 2 300ml jars
Suitable for Vegetarian Diet

Ingredients
  

  • 450 g Fresh blackberries
  • 450 g Jam sugar has added pectin
  • 1 Lemon juiced

Instructions
 

  • Place the blackberries and lemon juice in a large pan and simmer gently for about 15 minutes until the fruit is soft
  • Meanwhile, warm the sugar in a low oven. When the fruit is cooked, add the sugar and stir the fruit over a low heat until the sugar has dissolved
  • Turn the heat up and bring the fruit and sugar to a boil, boil for 10–15 minutes until setting point has been reached at 104.5C/220F
  • Once setting point has been reached, take the pan off the heat, spoon any scum off the top of the jam and leave to sit for about 10 minutes
  • Ladle the hot jam into warm, sterile jam jars and seal immediately with a screw-top lid. Label once cold