1. Combine the red cabbage, beetroot, salt and vinegar in a bowl and stir very well to tenderise the vegetables slightly.
2. Combine the honey, mustard, horseradish, cream, vinegar, cranberries, oil and pepper in a mini-chopper and chop until you have a smooth dressing, then combine with the red cabbage and beetroot.
3. Finally, stir in the diced apples, pomegranate seeds and coriander.