A new variety of sweetpotato, Ipomoea batatas, identified as `Mahon Yam` is disclosed having superior eating quality. `Mahon Yam` is characterized by an orange fleshed root that when cooked is sweet, moist and not stringy or fibrous (i.e. creamy). The plant itself is distinguished by unusual leaves for an eating quality sweetpotato, they are seven (7) lobed.