EDDOES is a circular root vegetable that bares resemblance to a yam or sweet potato. Originally a product of Asia, eddoes have found their way into multiple cuisines, such as Caribbean, Chinese and Indian. Knowing the nutrient content of eddoes will better help you find a place for them in your diet. They are most commonly baked, boiled, fried and roasted. Eddoes and tania are the same.