Sea salt is salt that is produced by the evaporation of seawater. It is used as a seasoning in foods cooking and for preserving food. Some popular ways to use sea salt include sprinkling it on roasted veggies adding it to chocolate-based desserts and using it to season steaks burgers and fish.A colorless or white substance that consists of sodium and chlorine and is used in seasoning and preserving food in industry. It is less processed than table salt and retains trace minerals. these minerals add flavor and color. sea salt is available as fine grains or crystals. sea salt is often promoted as being healthier than table salt.Sea salt is composed of larger flakier crystals and what you"taste" is the crunchiness of the salt texture not its flavor. When you bite into larger crystals of sea salt yo get "shots of flavor." It is used as a seasoning in foods cooking cosmetics and for preserving foods.