the sweet potato is a tuber, but it is a distant relative of the common potato. covington and beauregard varieties have pink-orange pulp and reddish bark. the taste of fresh orange pulp potato is softer than the white pulp. steam or water boiled, baked in the oven. the sweet potato orange pulp is often used as an accompaniment to different meals, coming to be used as a substitute for common potato. it can be roasted with butter and sugar and served with different sauces. it gives a very showy and equally tasty puree, then boiled. its main nutrients are vitamin a and c, maganês, copper, fiber and beta carotene.