Shake with ice and strain
2/3 gin (2 oz, 6 cl, 1/2 gills)
1/3 lemon juice (1 oz, 3 cl, 1/4 gills)
1 dash gomme syrup
Shake
Add 1/2 slice of orange (1 1/2 oz, 4.5 cl, 3/8 gills)
As an alternative with the addition of white of an egg, or soda, or both added if required
Serve in a cocktail glass (4.5 oz)
