Sweet Potato
Sweet potato is classified as Ipomoea batatas.

This large edible root belongs to the morning-glory family and is native to tropical areas of the Americas. There are many varieties of sweet potato but the two that are widely grown commercially are a pale sweet potato and the darker-skinned variety Americans erroneously call "yam" (the true yam is not related to the sweet potato). The pale sweet potato has a thin, light yellow skin and a pale yellow flesh. Its flavor is not sweet and after being cooked, the pale sweet potato is dry and crumbly, much like a white baking potato. The darker variety has a thicker, dark orange skin and a vivid orange, sweet flesh that cooks to a much moister texture.

Sweet potatoes are saturated fat-free, cholesterol-free, high in the antioxidant vitamin C, a good source of fibre, fat-free, high-potency vitamin A and are high in soluble fibre and resistant starch.