Mention potatoes in the United States and most people immediately think of Idaho, where more than a quarter of the country's crop is produced. In Europe, Ireland and its famine or Poland and its vodkas come to mind. But nowhere is prouder of its potatoes than Peru, where they were domesticated more than 7,000 years ago. The country is home to up to 3,500 different varieties of edible tubers, according to the International Potato Centre, whose headquarters is near Lima.
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