Shamrock (bourbon based)
Orange zest twist (discarded)
STIR all ingredients with ice and strain into chilled glass.
[['7.5 cl', 'Bourbon whiskey'], ['0.75 cl', 'Giffard Peppermint Pastille crème de menthe'], ['3 cl', 'Martini Rosso sweet vermouth'], ['2 dash', 'Angostura Aromatic Bitters']]
[['7.5 cl', 'bourbon whiskey'], ['0.75 cl', 'giffard peppermint pastille crème de menthe'], ['3 cl', 'red vermouth'], ['2 dash', 'angostura']]