Alabazam
Lemon slice
SHAKE first five ingredients with ice and strain into ice-filled glass. TOP with soda.
[['6 cl', 'Rémy Martin 1738 Cognac'], ['3 cl', 'Grand Marnier or other cognac orange liqueur'], ['3 cl', 'Lemon juice (freshly squeezed)'], ['1.5 cl', 'Sugar syrup (65.0°brix, 2 sugar to 1 water rich syrup)'], ['1 dash', 'Orange Bitters by Angostura (optional)'], ['Top up with', 'Thomas Henry Soda Water']]
[['6 cl', 'cognac'], ['3 cl', 'cognac'], ['3 cl', 'lemon juice'], ['1.5 cl', 'sugar syrup'], ['1 dash', 'angostura'], ['Top up with', 'soda water']]