Given its name, the Upside Down Martini cocktail should probably belong in Netflix’s cult sci-fi series Stranger Things. In the parallel universe of a Reverse Martini, there are no monsters. The upside-down simply refers to the double vermouth-to-gin ratio, turning a classic Martini on its head. Our divine Reverse Martini recipe also calls for a dash of orange bitters, and those in search of an aperitif or amaro will love this smooth-sipping cocktail.