HOW TO ADULT SERIES: Salt 101 - what to use and when to use it To recap, the three main differences between salts are 1. Size of the salt crystal 2. Texture/ shape of the salt crystal 3. Sodium content of the salt crystal (how salty is that salt) DIAMOND CRYSTAL KOSHER SALT- This is what you can use from start to finish, in every stage of cooking. From seasoning your meat, veggies to seasoning while you’re cooking soup, to even sprinkling some on at the end. Keep in mind, if the recipe calls for