In a large mixing bowl, combine the ground pork, koikuchi soy sauce, sake, mirin, grated fresh ginger, finely chopped scallions, sesame oil, white sesame seeds, minced garlic, black pepper, and potato starch.
2
Using your hands, thoroughly mix all ingredients until well combined and slightly sticky. Do not overmix the mixture.
3
Divide the mixture into 8-10 equal portions and shape each into a small patty or a short, thick sausage link.