The French martini was invented in the 1980s at one of Keith McNally's New York City bars. It next appeared on the drinks menu at McNally's Balthazar in SoHo in 1996. There are many variations to the French Martini. Some replace the vodka with gin, which offers a botanical twist to the cocktail.
Add the vodka, creme de cassis and pineapple juice into a shaker with ice and shake until well-chilled.
Fine-strain into a chilled cocktail glass.