here is a simple way of cooking the tubers

1 lb lean sliced pork
3 cloves garlic mashed
3 slices fresh ginger root smashed
4 scallions cut up and bruised
water to cover
salt and white pepper to taste
4 tbsp soy sauce (optional)
2 lbs peeled and sliced lotus root
stir fry pork , garlic , ginger and scallions till pork is opaque in color
, add the lotus root , and the water , and the rest of the ingriedents ,
bring to a boil , and simmer untill lotus root is tender.
Serve hot.
Good eating!
Todd