Sweet Potato Toasts

"From a nutritional standpoint, sweet potatoes contain large amounts of starch, fiber, vitamins and minerals. Among the vitamins, the most relevant are provitamin A, and vitamins B1, C and E. The sweet potatoes with dark orange flesh are those that contain the highest amount of provitamin A. Among the minerals, the amount of potassium stands out. The sweet potato does not contain much protein, but has an important amount of lysine, which is one of the essential amino acids. "