How can I cook purple sweet potatoes in a delicious and nutritious way?

To cook purple sweet potatoes in a delicious and nutritious way, try roasting them with a drizzle of olive oil and a sprinkle of herbs and spices like rosemary, thyme, and garlic. This method helps to enhance their natural sweetness and flavor while preserving their nutrients. Enjoy them as a side dish or add them to salads for a colorful and healthy meal.