2/3 cup currant-flavored vodka
2 teaspoons creme de cassis (black currant-flavored liqueur)
2 lemon twists
Fill cocktail shaker with ice. Add vodka; shake to chill thoroughly. Divide vodka between 2 large cocktail (Martini) glasses. Carefully drop 1 teaspoon creme de cassis into each glass (liqueur will sink to bottom). Garnish each Martini with 1 lemon twist.