Bring the washed, deflated currants to the boil while stirring and strain them through a sieve.
Bring the currant pulp with gelling sugar to the boil while stirring, let it boil for 4-6 minutes, make a gelling test. Fill into prepared glasses while still hot, close tightly and let cool upside down.
If you like, stir a small shot of gin into the jam before filling.
Without seeds, this jam is also very suitable for filling biscuits.