Preparation Line a large rimmed baking sheet with parchment paper. Arrange cucumber slices in single layer on prepared sheet. Freeze until solid, about 1 hour. DO AHEAD: Can be made 2 days ahead. Cover and keep frozen. Combine gin, liqueur, lemon juice, salt, and 2 cups ice in a large pitcher. Cover and refrigerate until chilled, about 2 hours. Stir club soda and frozen cucumber slices into pitcher. Fill 12-ounce highball glasses with ice. Pour cocktail into glasses and serve. Per serving: 301.3 calories, 0% calories from fat, 0 g fat, 0 g saturated fat, 0 mg cholesterol, 19.2 g carbohydrates, 0.3 g dietary fiber, 15.5 g total sugars, 19.0 g net carbohydrates, 0.3 g protein, 149.7 mg sodium Nutritional analysis provided by Bon Appétit
Preparation Line a large rimmed baking sheet with parchment paper. Arrange cucumber slices in single layer on prepared sheet. Freeze until solid, about 1 hour. DO AHEAD: Can be made 2 days ahead. Cover and keep frozen. Combine gin, liqueur, lemon juice, salt, and 2 cups ice in a large pitcher. Cover and refrigerate until chilled, about 2 hours. Stir club soda and frozen cucumber slices into pitcher. Fill 12-ounce highball glasses with ice. Pour cocktail into glasses and serve. Per serving: 301.3 calories, 0% calories from fat, 0 g fat, 0 g saturated fat, 0 mg cholesterol, 19.2 g carbohydrates, 0.3 g dietary fiber, 15.5 g total sugars, 19.0 g net carbohydrates, 0.3 g protein, 149.7 mg sodium Nutritional analysis provided by Bon Appétit