Wash the red cabbage and slice it into fine strips. Blanch for five minutes in boiling water, drain and allow to cool.
Fillet the oranges. Peel and finely chop the ginger root. Mix with olive oil, lemon juice, cumin powder, parsley and salt and pepper to form a marinade.
Mix the red cabbage and orange fillets with the walnuts, stir in the marinade and let it steep for 10 minutes.