If you are buying yams from a specialist African or Caribbean shop ... washed and blanched for 10-20 minutes in boiling salted water before being used. Yams can be used in the same way as potatoes.
Yam sack farming is the growing of yam in sacks. The beauty of this method is that it allows even those with limited space to enjoy the benefits of homegrown yams. Growing yams in sacks is not ...