Villages in New Guinea, the Amazon, etc, the word you're looking for is 'cultures'.

Cultures: https://en.wikipedia.org/wiki/Linear_Pottery_culture & https://en.wikipedia.org/wiki/Yamnaya_culture & https://en.wikipedia.org/wiki/Corded_Ware_culture & https://en.wikipedia.org/wiki/Romani_people

Civilizations: https://en.wikipedia.org/wiki/Kingdom_of_Great_Zimbabwe & https://en.wikipedia.org/wiki/Mali_Empire & https://en.wikipedia.org/wiki/Indus_Valley_Civilisation & https://en.wikipedia.org/wiki/Aztecs

The reason we're talking about the recipe is because it's one of the oldest recorded recipes, which is because they had writing.

Traveling overland across Africa will swiftly disabuse you of the notion that hunter/gatherer lifestyles make up any "large portion" of the continent's population. It would hardly even be feasible in the face of massive deforestation and population boom.

Africa comprises an entire continent. There are not large portions of it (or "large swaths") where people still live as hunter-gatherers living in mud huts, for any reasonable definition of "large portion."