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Collaboration six: Sweets made from... potatoes

2 August 2012 Last updated at 16:27 BST

Peruvian chef Gaston Acurio and Spanish pastry chef Jordi Roca team up in Lima to work together for the BBC's Collaboration Culture project.

Together they devise sweets made from different varieties of Peruvian potatoes grown high in the Andes, such as potato and chilli jellies and roses made from potato petals and caramel.