Pierre's Pisco Sour (Traditional Recipe)
Float three drops Angostura aromatic bitters on top of the egg white foam
Add pisco, lime juice, simple sirup and egg white in a shaker. Dry shake.
Then, add ice and shake again for ten seconds.
[['2 cl', "'Simple' sugar syrup (1 sugar to 1 water)"], ['2 cl', 'Lime juice (freshly squeezed)'], ['5 cl', 'Pisco'], ['3 drop', 'Angostura Aromatic Bitters'], ['1.5 cl', 'Egg white']]
[['2 cl', 'sugar syrup'], ['2 cl', 'lime juice'], ['5 cl', 'pisco'], ['3 drop', 'angostura'], ['1.5 cl', 'egg white']]