You have not tasted the best delicacies in the world if you don’t know about the La Bonnotte type of potato. This variety is the most expensive potato in the world and can reach 2,000 euros per kilo. It is grown in the island of Noirmoutier in France. Only about hundred tonnes of the potatoes are harvested each year and indeed, the potato is rare because it is delicate and can only last for few days. It has a salty taste which its fans love, actually you can prepare chips straight away without adding any salt, but not sure that you're saving much!

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finance.yahoo.com/why-these-potatoes-cost-this-much