Fresh Sweet potatoes are nutritious and delicious root vegetables. It is a starchy, sweet-tasting. They have a thin, brown skin on the outside with colored flesh inside – most commonly orange in color, but other varieties are white, purple or yellow. You can eat sweet potatoes whole or peeled, and the leaves of the plant are edible, too. Sweet potatoes are a staple food in many parts of the world. They are a good source of fiber, potassium, vitamins, and other essential nutrients. Sweet potato may offer a variety of health benefits.