Nutella, the spread that made hazelnuts famous The rich chocolate-hazelnut creation, known to the world as Nutella, has been a staple for generations of local cooks. Seth Doane visited the Langhe region of Piedmont, Italy, where the rolling hills are covered with hazelnut trees, and with confectioners and pastry makers who bask in the delights of the hazelnut. (Originally broadcast May 19, 2019.)