500
it comes from the small Japanese island of Okinawa. On the outside, it has a tan color and looks very much like an ordinary sweet potato, just a bit lighter in color. Once you slice the sweet potato open, you will see a huge difference – the inside is a dark, rich purple color. These strangely colored sweet potatoes are very rich and sweet, and are sometimes used to make many desserts.
What is Okinawan Purple Sweet Potato