For anyone who wants to know how to make the fishcakes here is the recipe:
300g white fish (pollack, hake etc. )
2/3 cup of potato starch
A pinch of salt
1/2 tsp of sugar
A pinch of pink food colouring (optional)
1 teaspoon of mirim (rice wine)
Vegetable oil for frying
1) Puree the fish in a food processor until it's a smooth paste then transfer into a mixing bowl and mix all the ingredients except the oil. Mix until well combined.
2)Heat the oil in a skillet until the oil is hot enough, form the fish paste mixture into balls and fry in the oil until golden brown. You can now make eomukguk and fishcake stirfry!