Nutella is a spread flavored with hazelnut and cocoa. First introduced in Italy in 1964, the product is popular throughout the world. World Nutella Day, first held in 2007, was the brainchild of Nutella enthusiast and blogger Sara Rosso. Fans love it. Each year Nutella maker Ferrero selects one Nutella lover to lead the celebration. On February 5, Nutella fans post pictures, recipes, and messages declaring their love and loyalty to the popular spread.