Peel the carrots and cut them diagonally into slices. Peel onions and cut into sticks. Fry vegetables in hot oil, dust with ground coriander. Add vinegar and cook for about 5 minutes.
Season to taste with salt, pepper and sugar. Pluck the coriander leaves from the stems and add to the vegetables. Clean the salad, pluck into bite-sized pieces, wash and drain. Mix salad and lukewarm carrot vegetables shortly before serving.