Meals That Heal – Roasted Cauliflower Salad With Watercress, Walnuts and Gruyère You can make this kind of salad with almost any vegetable that won’t wilt or burn when subjected to a copious slick of oil and a blast of high heat. Broccoli, brussels sprouts, beets, parsnips, sweet potatoes, winter squash and rutabagas all work…