Part 7 of the Beefeater Mixology Cocktail videos. Visit http://www.beefeatergin.com/mixology/ for more fantastic cocktails. While many may be familiar with its vodka-based variation, the original gin Cosmopolitan precedes it by 40 years. The recipe was uncovered by Jared Brown in a 1933 cocktail book, Pioneers of Mixing Gins at Elite Bars, written by the American Travelling Mixologists. You can substitute the raspberry-infused sugar syrup with 4 fresh raspberries and two teaspoons of sugar syrup.