 A chocolatier in Turin named Michele Prochet extended the little chocolate he had by mixing it with hazelnuts from the Langhe hills south of Turin.Based on gianduja, Turin-based chocolate manufacturer Caffarel invented gianduiotto in 1852.It takes its name from "Gianduja", a Carnival and marionette character who represents the archetypal Piedmontese, a native of the Italian region where hazelnut confectionery is common.