From Mother Jones: Michael Pollan Fixes Dinner.
MJ: When you first wrote the mantra “Eat food. Not too much. Mostly plants,” did you have any idea what kind of reaction you’d get?
MP: Well, I studied my poetry in school, and I knew there was something about the way it sounded that made it easy to remember. After writing The Omnivore’s Dilemma I wanted to write a book that got past the choir, that got to people who didn’t care about how their food was grown, but who did care about their health. I wanted to make it almost billboard simple. It started out as just “Eat food.” But then I realized, Eh, not quite good enough. You’ve got to deal with the quantity issue. And then plants; the more you looked, the more you realized that the shortage of plants in our diet could explain a lot. Not that I’m against meat eating. I think we’re eating too much. That’s why I said “mostly plants.”
