Scrub the yam and cut it into sections.

Put the yam in the put and cover with cold water.

Boil the yams over medium-high great until the yams are tender.

Drain the yams in the colander and put it under running cold tap water for 30 seconds.

Peel the yams and chop it into chunks.

Put the yams in the pot and add the butter, salt and pepper.

Mash the yams until it is smooth.

Shape the fufu into balls and serve with stew, soup or sauce.