Makes 2 servings.
3 ounces vodka (6 tablespoons)
1 ounce limoncello (2 tablespoons)
1 teaspoon simple syrup (see note)
Fill a shaker with ice. Add vodka, limoncello and simple syrup. Shake well and strain into oversized martini glasses. Garnish each with a lemon twist.
Note: Simple syrup is made by combining 2 parts granulated sugar with 1 part water. Simmer, stirring, over low heat until sugar is dissolved. Chill before using.