In shaker with 5 ice cubes:
2oz Beefeater Gin
3/4 oz Lemon Juice
5 drops Orange Flower Water
1 1/4 oz simple syrup
Drop one egg white
Add 1 3/4 oz half & half
Shake vigorously for 1 minute untill frothy. Pour into cocktail glass and add a splash of club soda.