Different types of fruit will weigh different amounts ... you may notice some white-ish foam forming on the top of the jam. You can optionally skim off some of the foam if you want the jam ...

Bring to the boil and simmer for about 10 minutes until the fruit is softened ... an hour while you make the jam. Once the jam is ready, turn off the heat, skim off any scum and leave to stand ...

3 Place all the fruit together in a deep saucepan and sprinkle the ... 5 Simmer slowly for 30 minutes. Skim off any foam from the jam and stir occasionally. 6 Simmer until the jam thickens. To test if ...