Roasted yams, plantains and potatoes are common delicacies. It is one heavy meal for light eaters.
The process is to peel the yam and wash in a bowl of water, allow to drain water then place on the wire mesh with smouldering coal fire below. Allow it to be get cooked then you scrap the back before you serve it with a stew sauce or eat with palm oil.
You peel and place on the meshed wire to cook, constantly check it because it can easily get burnt.
For potatoes you will cook it with the back brownish body on it. After, it is well cooked you then place it the smouldering fire.