A significant increase in the cooking yield of WWN was noticed from the 125-mm WWF group to the 43-mm group, perhaps due to increasing damaged starch, while the 72-mm group exhibited the smallest cooking loss of WWN. Additionally, the hardness, cohesiveness, and resilience values of texture profile analysis (TPA) of cooked WWN significantly increased from the 125-mm group to the 72-mm group, and scanning electron microscope (SEM) analysis showed that the 72-mm group revealed the largest coverage of starch granules and degree of protein network connectivity among the WWF groups. The results demonstrated that the superfine grinding technique could improve the quality of WWN by significantly reducing the particle size of WWFs.