Acorn

Acorn

            A wiki link on the subject can be found at:  http://en.wikipedia.org/wiki/Acorn

            A link on leaching the tannins can be found at:  http://www.wildflower.org/expert/show.php?id=2947

            Here's one link on making acorn flour:  http://www.wikihow.com/Make-Acorn-Flour

            There are many ways and links on leaching the tannins, and making acorn flour.