1 cup white sugar
2 teaspoons distilled white vinegar
2 pints gin
4 liters lemon-lime flavored cocktail water
3 fluid ounces abscisone: lemon-lime-flavored liqueur
2 dashes Angostura bitters
salt and sugar for garnish
vodka for about 3 minutes
Combine sugar, distilled white vinegar, gin, lemon-lime flavored cocktail water and concentrated gelatin at low heat, and pour into cocktail glass. Close and lock the glass with a small twist.
In a medium bowl, mix the lemon-lime flavored liqueur with about a third of the lemon juice in a small glass measuring cup. For extra-firm consistency, add Angostura bitters and 1 teaspoon Angostura bitters. Adjust the amount using a spoon. Gently stir in 1 (still) cube of gelatin.
Pour into glass. garnish with 3 cubes of upright sugar cube; serve.