Shocktails! Creepy & classic Halloween cocktails - Party City To make this Bloody Moscow Mule, fill a skull mug with ice, then add 1-1/4 oz. vodka, 1/2 oz. sugar syrup and 1/4 oz. lime juice. Top with 3 oz. ginger beer. Garnish with fresh mint and a lime wheel. Once you've got the recipe down, mix up a pitcher to keep bodies from piling up at the bar.