Mark's Old Fashioned
Orange zest twist
Place a tsp of sugar into the glass with a splash of water, stir into a syrup then add bitters.

Add triple sec, stir and add ice.

Pour in bourbon and stir.
[['4.5 cl', 'Bulleit Kentucky Straight Bourbon Whiskey (45%)'], ['4 drop', 'Angostura Aromatic Bitters'], ['1 Splash', 'Triple sec liqueur (40%)'], ['1 spoon', 'Demerara / dark Muscovado / brown sugar'], ['1 Splash', 'Chilled water']]
[['4.5 cl', 'bourbon whiskey'], ['4 drop', 'angostura'], ['1 Splash', 'triple sec'], ['1 spoon', 'demerara / dark muscovado / brown sugar'], ['1 Splash', 'chilled water']]