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.
That's interesting, because I don't really think of a "culture" as smaller than a "civilization". I think of a culture being a necessary thread that runs through a civilization and without which there are no civilizations.
As for mud huts, still commonly used in some places; there’s nothing particularly wrong with mud/earth construction if it works in your local climate.
I'm sure those relatively voiceless cultures will appreciate your minimization of their contribution to the peoples of Africa.