Wash the potatoes thoroughly with the skin on, wrap them in plastic wrap, and microwave at 600W for 5 minutes. Peel while hot and mash until smooth.

Mix glutinous rice flour with half the water. Gradually add the remaining water while mixing until the dough reaches an earlobe-like consistency.

Finely chop the green onion.

Combine all filling ingredients in a bowl and mix well.

Divide the dough into 6 portions. Flatten each portion, place 1/6 of the filling in the center, and wrap to form dumplings.

Bring the soup ingredients to a boil in a pot. Add the dumplings and simmer over medium heat for about 10 minutes.