Muddle 8 mint leaves with 2 teaspoons sugar in a cocktail shaker. Add 4 canned lychees, 1/4 cup syrup from the can, 3 ounces vodka and a squeeze of lime juice; shake with ice. Strain into 2 ice-filled glasses; top with seltzer. Repeat to make more drinks. Garnish with mint and lime.
Photographs by Con Poulos