30 July 2012 Last updated at 11:38 ET

Collaboration six: Meet the artists

• Celebrity chefs
• Meet the artists
• Sweets made from... potatoes
• In pictures

Jordi Roca

Spanish pastry chef Jordi Roca

Jordi Roca runs a three Michelin-starred restaurant, El Celler de Can Roca, in Girona near Barcelona, Spain.

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It has been on the list of the world's 50 best restaurants for the past seven years and it was recently voted number two in the world for the second year in a row.

He is the pastry chef at the restaurant, which he runs with his two older brothers, and he has a reputation for creating some of the most innovative and artistic desserts to be found on menus anywhere in the world.

Roca is particularly famous for creating a range of spectacular puddings based on perfumes, such as Calvin Klein's Eternity and Dior's Poison, using flowers, sugar sculpture and hi-tech cooking methods.

He also runs an ice cream parlour nearby, serving up delicious sweets with candy floss and rose petals, creating the stuff of childhood dreams.

Gaston Acurio

Peruvian chef Gaston Acurio

Gaston Acurio, whose restaurant Astrid y Gaston in Lima also appears on the top 50 restaurants list, is not just Peru's most famous chef, but has been described as "the best-known Peruvian in the world".

He owns 32 restaurants in 12 different countries and is a well-known television star in Peru, where he has his own weekly cable show called Aventura Culinaria.

He has published 20 books which are all bestsellers in Peru, and has set up the Pachacutec School of Cuisine, which trains underprivileged young people in the art of cooking. His mission is to bring Peruvian cuisine to the world, and make national dishes like cebiche as popular and refined as sushi has become in the past decade.