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How to make Plum Jam

  • Kelly
  • Oct 3, 2025
  • 1 min read

You will need:

800g Plums

600g Granulated Sugar

2tbsp Lemon Juice

250ml Water

Method:

  1. Firstly, put a couple of small plates in the fridge. We will use these to test the set of the jam.

  2. Quarter and remove the stones of the plums.

  3. In a large saucepan; put in your plums, water and lemon juice. Cook over a medium heat for 5 mins to release the juices.

  4. Then add the sugar and stir well. Allow it to reach a rolling boil and turn down the heat; and simmer for about 8 to 10 mins.

  5. Once you think the jam is ready take the jam off the heat while we test it. To test; put a small drop of jam on your chilled plate and allow to cool. When pushing your finger though it it creates a wrinkle the jam is ready. Another testing method is to put a little jam onto a wooden spoon and allow to cool. When cooled, drop the jam back into the saucepan and if it falls in one drop it is ready.

  6. Simply put the jam into clean sterilised jam jars and leave to cool. To sterilise the jam jars, put some boiling water into the jar and swill it round before emptying out. If you put the lid on while the jam is hot it will keep an air tight seal, the jam should keep for 6 months and when opened keep refrigerated and use within a week.



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