This recipe uses jam sugar, which has added pectin and citric acid to help the jam set. Rinse the cherries, then remove the stalks and stones. If you don’t have a cherry stoner then simply slit ...

Rhubarb contains very little pectin and will benefit from using jam sugar, which contains a small amount of natural pectin, plus a little citric acid to make jam set. Place the rhubarb in a large ...