> unprocessed corn and soy

You mean edamame and sweet corn? You can grab an ear of the latter right off the field, husk it and eat it raw if you'd like. Or is there something about megafarms that prevent that?

> Most people don't know how to use them as ingredients.

If they get hungry they'll do what people have done since time immemorial and boil them. No-one will starve sitting on a cache of beans. For that matter, humans can eat pig feed directly (it's not as safe as human food, but you can boil it too).