Peel, seed and chop 2 seedless cucumbers; freeze 2 hours. Chill 4 tall glasses. Blend the frozen cucumbers, 3 ounces gin, 2 ounces elderflower liqueur, 1/2 cup fresh mint and 1/4 cup frozen lemonade concentrate until slushy. Pour into the glasses; top with seltzer and stir. Garnish with cucumber.
Photograph by Sarah Anne Ward
Recipe courtesy of Food Network Magazine