Dried cassava roots can be kept for several years and it is sometimes use for preparing 'tuo zaafi' amount the people in the northern part of Ghana.
<a href="//commons.wikimedia.org/wiki/User:Achiri_Bitamsimli" title="User:Achiri Bitamsimli">Achiri Bitamsimli</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>