Josephine, I additional OJ and zest to get rid of the porky scent. It is just my individual desire. You may just omit it.The Tuna Rice Ball is wetter and richer in flavour. It includes flakes of tuna with mayonnaise and fried kimchi, seaweed crumbs and crushed chilli padi atop three mixed grains; medium-grain white rice stained purple from Korean b