Fill a rocks glass to the top with ice cubes
Pour 2.5 cl of quail egg white, 3 cl of lemon juice, 1.5 cl of sugar syrup and 5 cl of scotch whisky into a shaker
Add 2 dashes of grapefruit bitters
Fill the shaker with ice cubes and shake thoroughly
Strain into the rocks glass
Garnish with an orange wedge