Sprinkle fish with salt. Place fish lengthwise on ti leaf; wrap with additional leaves until covered, securing ends with string or piece of stem. Place wrapped fish on 15 x 10 x 1-inch jellyroll pan. Bake, uncovered, at 350 degrees for 30 to 40 minutes. Place on platter, cut open ti leaves and serve. Note: Onions may be enclosed with fish in ti leaves.