- Steam the yam and mash it when it is still hot, then add the sugar. 
- Heat a pan with the oil and fry the lard. 
- Remove the lard and use the oil to fry the shallots or onions at low heat. 
- When the onions turn light brown, add the yam paste and stir through, incorporating the lard oil. 
- Place a cling film onto the yam paste to ensure moisture does not escape from it.