30340 - chocolate and similar (efsa foodex2)
30420 - gianduja chocolate (efsa foodex2)
http://www.langual.org/langual_thesaurus.asp?termid=A034N
http://langual.org
The group includes any type of Gianduja chocolate, i.e. a special type of sweet chocolate containing about 30-50% hazelnut (and in some later variants eventually almond) paste, invented in Turin (Piedmont). The part consumed/analysed is by default the whole or a portion of it representing the observed heterogeneity.[https://en.wikipedia.org/wiki/Gianduja_(chocolate)] and [https://www.google.co.uk/search?tbm=isch&q=Gianduja chocolate]
requires discussion