It won&rsquot be an exaggeration if we say that Nigella Lawson is a gamechanger in the gastronomical world. A household name for over two decades, Nigella Lawson is considered the world&rsquos greatest home cook. Well, now her fans in India have the opportunity to taste her carefully curated recipes as the celebrated chef is coming to India as part of the &lsquoWorld Series&rsquo presented by American Express.