Fill a rocks glass to the top with ice cubes
Pour 0.75 oz of quail egg white, 1 oz of lemon juice, 0.5 oz of sugar syrup and 1.5 oz 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