Rhubarb and Ginger Jam

• 6 lb (2 kg 700 g) prepared rhubarb
• 6 lb

Wipe the rhubarb, trim the ends and cut the stalks into 1-inch (2½-cm) lengths. Weigh the quantity required and place in a large basin in layers with the sugar. Finely pare the lemon rind and tie in a musl