Keep it fresh

As winter sets in for the long haul, we bid goodbye to salads full of tomatoes. But don't despair: Oodles of winter fruits and vegetables are coming into season. A vibrant plate of root vegetables, citrus and nuts can boost the immune system, cheer up short, gray days and ease the transition into winter. With that in mind, try these five salads designed to beat back the chill. (Text: Enrique Gili)