The biggest rule of the diet is to eat foods that are low in iodine. Since most salt is iodized (meaning it has iodine added to it), you need to avoid iodized salt and foods that contain iodized salt. Instead, you can use non-iodized and kosher salt, because they do not contain iodine.
2 The corn husks will protect the corn from burning or drying out while it is on the hot grill. If you want a bit of char on your corn, peel off a few of the outer layers of the corn husks first, before grilling. Place the corn in their husks on the hot grill. Cover the grill.Turn the corn occasionally, until the husks are completely blackened and charred on all sides, about 15 to 20 minutes. 3 Remove the corn from the grill. Let them sit for 5 minutes or until cool enough to handle. The corn husks will protect the corn from burning or drying out while it is on the hot grill. If you want a bit of char on your corn, peel off a few of the outer layers of the corn husks first, before grilling. Place the corn in their husks on the hot grill. Cover the grill.
Place each corn on top of one piece the heavy-duty foil. Brush each ear generously with soft butter. Season lightly with seasoned salt or white salt and black pepper. Wrap the corn then seal the foil loosely but leave room for expansion, then cut a very small hole in the foil to allow steam to escape. Grill over medium coals for about 15-20 minutes (the larger ears may take a little longer).