Add currants, water, arrowroot powder, and maple syrup to a medium-size saucepan. Heat to medium-low heat. Cook for 15 minutes then decrease temperature to low. Stir frequently to avoid sticking.
Mash berries with potato masher. Cook for another 10 minutes and turn off burner. Let sit to continue setting.
Keyword berry jam, currant jam, homemade jam, jam without white sugar