Black currant jam is a classic and needs no added pectin. It shouldn't require lemon juice but is useful to perk up the flavour.
Ingredients
For 3 pints
- 1000 g black currants
- 250 g water
- 1000 g sugar
- 2 tbs lemon juice (optional)
Steps
- Fill a canning kettle with water to the appropriate level and bring to boil. Reduce heat and keep ready at the boil until the jam is ready. Sterilize canning jars and lids.
- Pick over the currants to remove stems and leaves, and rinse them.
- Put the currants and water in a pot with at least three times the capacity of the batch.
- Bring batch to a boil. Keep at the boil, stirring occasionally, until the currants soften and begin to break down, the volume drops noticeably, and mixture starts to thicken.
- Add the sugar to the currants, stir in to dissolve, and return to the boil. Continue to cook, stirring frequently, until the batch reaches 215 °F.
- Add the lemon juice.
- Continue to cook, stirring frequently, until mixture reaches the jellying point, around 221 °F.
- Can and seal jars in canning kettle 10 minutes.