Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  2               cups  sugar
  2               cups  water
  4          teaspoons  gelatin soaked in 1/2 cup cold water
     2/3           cup  key lime or persian lime juice -- strained
  1                cup  white rum
     1/2      teaspoon  salt
  4                     egg whites

Preparation:

Boil the sugar and water for 10 minutes. Add softened gelatin and when it has dissolved, remove from heat. Add the lime juice and rum. Freeze for 1 hour in 2 ice trays. Remove to a chilled bowl and beat with an electric mixer until frothy. Add the salt to the egg whites. Beat until stiff and fold into the other mixture. Return to ice trays and freeze until firm.

Nutritional Information:

2128 Calories (kcal); 0g Total Fat; (0% calories from fat); 14g Protein; 401g Carbohydrate; 0mg Cholesterol; 1305mg Sodium