Start with washing and cutting the taro into large bite-size pieces.
Thinly slice the leeks. Cut the konnyaku noodles into bite-size pieces.
Boil 6 cups water in a large cast iron pot. Add the taro and cook until tender, then add the beef.
Add sugar, sake, and soy sauce to the boiling water. Add the leek and konnyaku.
Cook until leeks and konnyaku noodles are tender. Adjust to taste and enjoy!