MAKES FOUR 6-OUNCE SERVINGS
1 medium cucumber, sliced
1 (1⁄4-inch) slice jalapeño
2 tablespoons fresh lime juice 4 teaspoons sugar
2 cups club soda
Lime slices, for garnish
1. In a blender, combine the cucumber, jalapeño, 1 cup of water, the lime juice, and sugar, and blend until the mixture is smooth.
2. Strain the juice through a medium fine-mesh sieve into a 1 pint container (discard the solids).
3. Add a pinch of salt, taste for balance, and add a bit more if necessary. Cover and refrigerate until ready to serve.
4. To serve, pour a 1⁄4 cup of the juice mix into each ice-filled Collins glass. Add a 1⁄2 cup of club soda to each glass and gently stir to incorporate. Garnish with lime slices and serve.