New Orleans legend, invented by Henry Ramos in 1888. Gin, cream, citrus, egg white and orange flower water — shaken for 12 minutes by Ramos's army of shaker boys. Impossibly silky.

• London Dry Gin4.5 cl
• Fresh lemon juice1.5 cl
• Fresh lime juice1.5 cl
• Simple syrup2 cl
• Heavy cream3 cl
• Egg white1
• Orange flower water3 dashes
• Vanilla extract2 drops
• Soda waterto top

1. 1Dry-shake all ingredients except soda water vigorously for 2 minutes (no ice). This builds the foam.
2. 2Add ice and shake for another 2 minutes until very cold.
3. 3Strain into a chilled highball glass without ice.
4. 4Slowly top with soda water — the foam will rise above the rim.
5. 5No garnish needed. Serve immediately with a straw.