Nutella fans have been blown away after discovering why the "N" in the chocolate and hazelnut spread's logo is black - after its creator died aged 97 on Valentine's Day.

It comes after Nutella fans were blown away after discovering why the "N" in the chocolate and hazelnut spread's logo is black - after its creator died aged 97 on Valentine's Day.

This campaign kept Nutella logo, but stripped away everything else on the front label. Dots, stripes, squares and various shapes were all fair game when the algorithm went to work.

Nutella takes action against its biggest fan, issuing a cease and desist order over trademark issues. Business Insider Subscribe Newsletters ...

Hershey's is introducing a new line of chocolate spreads, including a hazelnut variety reminiscent of Nutella, the nutty European spread that is taking a bite out of the U.S. market.