Tostones are twice fried plantain slices, fried twice for extra crispness. Commonly found in Latin America they are a savory, starchy side dish when prepared in latin dishes. When the platano is ripened it turns yellow, like a banana and becomes sweet. They are a rich source of fiber, vitamins A, C, and B-6. A real hidden superfood. They are a nonseasonal crop so plantains are available all year long.