Good RiverUrban idyll: HomeGrown chronicles a Pasadena family's life off the grid.Maybe Julie & Julia whetted your appetite for movies that feature food and cooking. Maybe Food, Inc. roused your anti-agribiz ire. Or maybe, like SFoodie, you've always been the kind of toothpick that sought out not only Eat Drink Man Woman (and its American remake, Tortilla Soup) but treasure scenes like the one in The French Connection where Gene Hackman sips cold coffee in the rain while watching his drug