First u will peel your yam cut it n wash it put it in a clean pot add a cup of water n a pinch of salt n cook it. When its cooked then put it in a mortar n pound it,after u finish then u can put it in a bowl n keep it aside. Then u great ur onions,scotch bonnet n fry it with a little oil add ur maggi n curry when fried then u bring your pounded yam n mixed it with fried sauce.

U wash ur hand n grab a little of ur yam mixture n make a ball with it. It depends on the size u wnt.

There u have ur yam balls in breadcrumbs