Peel the potatoes and slice them thinly.
Boil the potatoes in water and mash them finely.
Add flour and salt to the mashed potatoes and knead the dough.
Tear off bite-sized pieces from the dough.
Bring water to a boil in a pot.
Add the dough pieces and cook until they float to the surface.
In a separate pot, add milk and boiled potatoes and simmer until smooth.
Add the cooked sujebi to the potato cream soup and simmer a little longer.
Season with salt and pepper to taste.