Pimm's Pony

Directions

1. 1
   Puree the cucumber in a blender.
2. 2
   Strain the puree through a fine sieve, pressing to extract as much juice as possible.
3. 3
   Transfer the juice to a jar with a tight-fitting lid.
4. 4
   In a cocktail shaker, combine the gin and Pimm's.
5. 5
   Add ice and shake for 20 seconds.
6. 6
   Strain the drink into a tall glass over ice and top with the soda.
7. 7
   Vigorously shake the cucumber juice for 30 seconds.
8. 8
   Spoon some of the foam onto the drink and serve right away.