Combine the ground pork, roughly minced onions, and grated ginger and knead until sticky. Mix together the (a) ingredients and set aside.
Create cylinder-like shapes from the mixture in step 1, and cook thoroughly in an oiled frying pan.
Add the (a) ingredient mixture and boil until thick. Lastly, swirl the frying pan around to get the sauce mixed in.
Skewer, then transfer to a serving plate and it's complete. Eat together with egg yolk.