Everybody knows the idea that Mexicans put a square or two of rich bitter dark chocolate in their chilli con carnes, but in Ol' Blighty does anyone bother? Is it just an urban myth and in fact chocolate will ruin the chilli?
Chilli con carne is tex mex not really Mexican. In Mexico it's carne con chile and has chunks of meat rather than minced and they don`t put chocolate in it.