Ingredients 600g blackcurrants stripped off the stalks about 400g white caster sugar or granulated sugar juice of ½ a lemon Method step 1 If you don’t have a cooking thermometer, put a saucer in the freezer. Sterilise the jars you want to use. Tip the blackcurrants into a heavy-based saucepan with about 100ml of water. …
Blackcurrant jam
