ract ing ▁the ▁kernel ▁from ▁the ▁pul p ▁is ▁a ▁time - consum ing ▁process ▁because ▁of ▁their ▁hard ▁shape . ▁After ▁bo iling ▁them ▁in ▁water , ▁and ▁cool ing ▁them ▁down , ▁the ▁k ern els ▁are ▁extracted ▁one ▁by ▁one ▁with ▁a ▁kn ife ▁or ▁n ails . ▁Then ▁the ▁k ern els ▁are ▁sun ▁or ▁fire ▁d ried . ▁N j ang sa ▁is ▁stored ▁as ▁seed ▁or ▁as ▁kernel . ▁If ▁they ▁are ▁well ▁d ried , ▁they ▁can ▁be ▁stored ▁up ▁to ▁two ▁years ▁on ▁a ▁dry ▁place . ▁ ▁References ▁ ▁External ▁links ▁ ▁Re cipe ▁for ▁West ▁African ▁' D ry ▁R ice ▁with ▁Fish ' ▁incorpor ating ▁nj ang sa ▁C rop ▁of ▁the ▁Week : ▁N j ang sa ▁( R ic in od end ron ▁he ud el ot ii ) ▁ ▁Category : Mon ot yp ic ▁Eu ph orb ia ceae ▁gener a ▁Category : C ro ton o ide ae ▁Category : Fl ora ▁of ▁Africa ▁Category : A fr ican ▁cu is ine ▁Category : Sp ices ▁Category : Ed ible ▁thick ening ▁agents <0x0A> </s> ▁David ▁Warner ▁H agen ▁( born ▁October ▁ 2 , ▁ 1 9 3 1 ) ▁is ▁a ▁former ▁United ▁States ▁District ▁Judge ▁of ▁the ▁United ▁States ▁District ▁Court ▁for ▁the ▁District ▁of ▁Nev ada . ▁ ▁Education ▁and ▁career ▁ ▁Born ▁in ▁Cam den , ▁Ark ansas , ▁H agen ▁was ▁in ▁the ▁United ▁States ▁Air ▁Force ▁from ▁ 1 9