Brazilian chef Helena Rizzo, of the Mani restaurant in Sao Paulo, was named Veuve Clicquot’s World’s Best Female Chef for 2014.Rizzo, who last year became the first winner of Veuve Clicquot’s Latin America’s Best Female Chef, will receive the award in London next month. She takes the award from Italian Nadia Santini, who cooks at the three-Michelin-starred Dal Pecatore in Canneto sull’Oglio, Lombardy.