title: Old Fashioned Cocktail (Difford's recipe)
garnish: Orange zest twist
recipe: STIR all ingredients with ice and strain into ice-filled glass.
ingredients: [['4.5 cl', 'Bourbon whiskey'], ['3 cl', 'Straight rye whiskey (100 proof / 50% alc./vol.)'], ['1 cl', 'Demerara / dark Muscovado sugar syrup (2 sugar to 1 water)'], ['9 drop', "Bob's Abbotts bitters"]]