Mix red wine vinegar, salt, pepper and 1⁄2 tsp. cumin. Fold in the oil. Clean, wash and cut cabbage into quarters. Cut cabbage into fine strips from the stalk. Mix with the sauce and knead vigorously with your hands.
Peel and wash the carrots and cut them into fine sticks or grate them roughly. Drain the pepperoni and cut into rings. Peel onion and cut into fine strips. Crumble cheese. Mix everything with the cabbage, season again.