Potatoes are prepared in many ways: skin-on or peeled, whole or cut up, with seasonings or without. Potatoes are nutrient-dense, non-fattening and have reasonable amount of calories. Include them in your regular meals so that the body receives a good supply of carbohydrates, dietary fibers and essential minerals such as copper, magnesium, and iron. Potatoes should be included in the diet of those having mouth ulcers. As they are easy to digest, they are good for patients. Consumption of potatoes helps to maintain the blood glucose level and keeps the brain alert and active.