Boil your chicken with,salt,onion and maggi cubes for 30mins n put down when its soft.

Peel your yam,cut it into chunks,wash,put in a pot and add water enough to boil it till done.

Add your ground pepper,cray fish salt,maggi and pepper soup spice to the yam and allow to boil for 35mins

By now d yam is soft and the water begins to thicken,add your chicken n steam for another 10mins then put down,if its too thick then add little water while on fire and stir,allow to steam for some seconds and put of your fire and your food is ready