Vegetables finely or grate and put in a large saucepan. Add beans, soy sauce, ginger, celery, salt and pepper. Mix well. Add eggs and flour alternately. The resulting mixture was left for 30 minutes. Formed into balls (if necessary add a little more flour) and fry in very hot oil one by one. Remove and leave to drain on kitchen paper. Serve splashed with yoghurt and decorated with coriander leaves.