Ghana Yam sold by the pound. One yam can range from 3-7 lbs  The yam is flexible to different types of cooking and can be consumed barbecued, roasted, fried, grilled, boiled, baked, smoked and even grated in some dessert recipes. The African species of yams are usually consumed by boiling, frying and roasting. Traditionally, boiled yams are consumed with palm oil, but are sometimes also served with pepper sauce or palaver sauce.