I like sweet potatoes because you can eat their leaves (very high nutritional content) so you don't have to wait for "harvest time". Also dandelion leaves are packed with vitamins, and sunflowers (because they grow like weeds).

This show (you can watch for free with no sign-up) is a good demonstration of the best possible society you could hope for without relying on ELECTRICITY.

https://tubitv.com/tv-shows/168402/s01_e01_september?start=true