Grilled Vegetable Salad with Texas Ham

There are as many versions of this vegetable dish as there are vegetables—or almost as many, since I would never grill members of the cabbage family, like broccoli or cauliflower. But pepper, squash, endive, onions, and root vegetables take on a new dimension when they are cooked, marinated in olive oil and herbs, and lightly grilled. They are best lukewarm or at room temperature, and should not be refrigerated after they are grilled or they lose the light smoky flavor. If you do not have T