◇ Before frying Japanese rice balls, place them in the refrigerator to keep the surface dry and flat ◇ Cook with a flat baking pan, the thickness of the flat baking pan is sufficient, and the heating and heat conduction is fast and the effect is good ◇ Fry the grilled surface of Japanese rice balls, and brush a layer of sesame oil on the surface ◇ Brush a thin layer of flax oil on the surface to create aroma and more crispy heat conduction effect ◇ High-temperature roasting for short-term coloring, fast and convenient mass production and improved efficiency