60ml maple syrup
1 cinnamon stick, broken in two
2 star anise
2 Tablespoons balsamic vinegar
Preheat oven to 160C (320F).
Cut the plums in half and remove stone. Place plums in large dish, in a flat layer, cut side down. Put all other ingredients into a saucepan and bring to the boil. Pour the syrup over the plums and cover tightly with a lid of foil. Place the plums in the oven for 45 minutes to 1 hour or until tender. Remove foil and leave to cool slightly. Serve.