Aztecs but only found pics. No pun intended;In-vitro meat is the dietary future particularly for over-populated 3rd world&countries with dietary taboos

link: Ouroboros Steak grow-your-own human meat kit is "technically" not cannibalism

Ouroboros Steak could be grown by the diner at home using their own cells, which are harvested from the inside of their cheek and fed serum derived from expired, donated blood.

The resulting bite-sized pieces of meat, currently on display as prototypes at the Beazley Designs of the Year exhibition, are created entirely without causing harm to animals.  The creators argued this cannot be said about the growing selection of cultured meat made from animal cells.