Remove the outer leaves, cut the red cabbage in half, remove the woody core, then shred one half finely.
1 red cabbage
Peel, core and dice a medium cooking apple.
1 cooking apple
Peel and thinly slice a medium onion.
1 onion
Put the shredded cabbage, diced apple and sliced onion in the slow cooker pot.
Pour in the apple juice, red wine vinegar and add the star anise, ground cinnamon, light brown sugar and redcurrants.
200 ml apple juice, 3 tbsp red wine vinegar, 3 star anise, 1 tsp cinnamon, 3 tbsp light brown sugar, 50 g redcurrants
Cook on high for 3 hours, or on low for 5 hours, stir once or twice during the cooking time.
Remove the star anise then serve!