It was moved to Europe by the Spanish in 1800 who considered it a botanical curiosity and not a food plant. The potato is a tuber, for those grow under the ground as roots, there are many varieties of potatoes, we have the yellow, white potato, canchán, colorata, cabrita, sky, camota among many more varieties, the potato is my favorite tuber!
That recipe seems very tasty, I'm going to prepare it and surely I'll love it.