Margarita Madness Lime Salt is created when solar-evaporated sea salt is combined with natural lime. The natural flavor of lime is an international favorite. Thai food, margaritas, desserts....the uses are plentiful. It is tart without being too sour. It is refreshing and versatile. Use to rim a drink glass, sprinkle on chicken or fish before grilling or add to a crisp salad for a surprising hint of citrus.