Purslane has a lemon undertone that sharply contrasts with the earthiness of the beans; look for it at farmers' markets or specialty stores from July to October. If purslane is not available, use watercress instead.
Spatchcocking -- splitting, then flattening a chicken -- yields a perfect roasted chicken in less time than a whole one takes. It also exposes more skin, which crisps up nicely at higher temperatures. Click here to learn how. Feel free to use a roasting pan or a large cast-iron or other heavy skillet.