Pour 2.5 cl of quail egg white, 1.5 cl of lemon juice, 1.5 cl of lime juice, 5 cl of light crème fraîche, 3 cl of sugar syrup and 5 cl of gin into a shaker.
Add 0.5 cl of orange blossom water.
Dry shake (no ice).
Fill the shaker with ice cubes and shake vigorously again.