Grate a small piece of ginger.
Cut the 1/2 pound of chicken into bite-sized chunks.
Place the chicken pieces in a bowl and sprinkle with salt and black pepper. Then add 1 tbsp each of sake and soy sauce, and the squeezed ginger juice from the grated ginger, and massage the seasoning well into the chicken pieces.
In a shallow tray, mix 3 tbsp each of all-purpose flour and katakuriko (Japanese potato starch powder) well. Completely coat each piece of chicken.
Add vegetable oil to a pan, about 1/3 inch in depth. Turn the heat to medium. add the chicken pieces while the oil is still warming.
Do not touch the chicken pieces for 3 minutes. Then check the underside. If it is not yet crispy, wait for 2 more minutes.
When the underside is golden brown, carefully flip them over, and do not touch for another 3 minutes.
Remove the chicken pieces from the oil and let them drain on a wire rack. It's ready! We hope you enjoy your "TOKYO FLAVORS, NEW YORK STYLE" meal! Itadakimasu!