Cut the yam in cubes (choice) wash and pour into a pot of boiling water add salt

Check the yam for softess use a turning stick if it's break easily add the pepper and other seasoning allow to cook together

Add the crayfish and add the groundnut oil allow to cook together for some minutes

Now mash the yam together with all the ingredients in it. You can add the onion now (choice) allow to simmer and the yam pottage is ready.