2 oz dry gin
1oz heavy cream or half-and-half
1 egg white
½ oz lemon juice
½ oz lime juice
2 teaspoons superfine sugar
2-3 drops orange flower water
In large cocktail shaker, combine gin, orange blossom water, egg white, half-and-half, lemon juice, lime juice, and simple syrup. Shake vigorously for 25 seconds.
Add ice and shake for 30 seconds more.
Strain mixture into 8-ounce glass.
Slowly pour soda water down inside edge of shaker to loosen remaining froth. Gently ease soda water/froth mix onto drink and serve.