This salt does not supply iodine, a necessary nutrient. Great for gourmet cooking. Kosher for passover. Morton Coarse Kosher Salt is a perfect Margarita salt. Salt-rimmed cocktail glasses are a must for the perfect Margarita, Bloody Mary or Salty Dog Cocktail. Rub the rim of an empty glass with a lime wedge. Invert and swirl in a small bowl filled with Morton Coarse Kosher Salt. Strain the chilled cocktail into prepared glass. Great for gourmet cooking. Morton Coarse Kosher Salt adds a quick & easy gourmet touch.