People can grow vegetables and simply eat. But bread is way too complicated.
There is a bakers’ dozen of big steps to go from wheat into bread. And multiple special structures needed too.
Same with beer. Wine makes total sense but how do you even invent ale? How are these common foods everyone knows and uses?
I was thinking “imagine if mediveal people knew how to boil seawater and sell salt” and now I spent 20 extra minutes in the shower.
How Bread Built Civilization: From the First Farmers to the Modern Factory [1 hour documentary]
https://www.youtube.com/watch?v=892yaBEwtbM
How Salt Shaped Society: From the Roman Empire to the French Revolution [53 minutes documentary]
https://www.youtube.com/watch?v=NRfcyuD7wNc