Cinnamon Plums

• 1 lb / 455 g firm, ripe plums
• 1–2 oz /30–60

Remove any stalks from the plums, and rinse them. With a sharp knife, cut round the long circumference of each plum, right down to the stone, and twist the two halves in opposite directions to separate them. Ease out the stones and put to one side. Put the rest of the ingredients in a saucepan, and heat gently until the sugar has melted. Crack the plum stones to extract the kernels and add thes