Ingredients

Serves 2

　　1/4 cup fresh lemon juice

　　4 teaspoons sugar

　　1/4 teaspoon freshly grated lemon rind

　　2 jiggers ( 3 ounces) Cuarenta Y Tres (Spanish herbal liqueur)

　　1 jigger (1 1/2 ounces) vodka

　　

Step 1

In a bowl, stir together lemon juice, sugar, rind and 1 1/4 cups water until the sugar is dissolved.Pour the mixture into an ice tray and freeze into solid cubes. The lemon mixture may be prepared up to this point 1 day in advance.

　　

Step 2

In a blender, blend frozen lemon mixture, Cuarenta Y Tres, and vodka, scraping down the sides occasionally, until the mixture is smooth but still frozen. Divide the mixture between 2 stemmed glasses.