This easy blackcurrant jam recipe uses the whole fruit for a tart ... Add the sugar and lemon juice, bring to the boil then cook until the mixture reaches 105C/220F on a sugar thermometer.

Here’s how to make some with currants, courtesy of a 1922 recipe. Wash and stem a huge ... Dissolve and add to fresh ...

Slowly bring to the boil for 4–5 minutes, crushing the fruit with a wooden spoon or a potato masher until the currants have burst and released their juice. Remove from the heat. Strain through a ...