Put spareribs into pot with water,and boiling.
Extract spareribs from boiling water.
Prepare a patch of ginger and chopped green onion.
Find a casserole.
Add water,ginger and spareribs into casserole,and start boiling.
Buy a yam like this.
Remove the peel of yam.
Then cut it off.
And cut them into slices.
Add about yam after boiling 6 minutes.
Add about a teaspoon of salt.
Spill chopped green onion finally.