In April the number-one spot in the World's 50 Best Restaurants poll was taken from El Bulli by Noma, a restaurant in Copenhagen. In October, Noma, a cookbook by chef René Redzepi, hits the shelves and Redzepi will visit Australia to promote it in conjunction with the Sydney International Food Festival and Phaidon. On the eve of his return to Australia trip, Redzepi spoke to Gourmet Traveller chief restaurant critic Pat Nourse.