Watercress Salad with Prosciutto, Tangerines and Hazelnuts
This salad is an intriguing mix of strong flavors--sweet, peppery, earthy. The hazelnuts add richness, chef Govind Armstrong says, plus they "do their job as the texture police." He uses duck prosciutto here; it's easy to find in specialty-food stores, or you can substitute regular prosciutto.
Slideshow: Terrific Green Salads