Step 1.
- Fill a shaker with ice.
Step 2.
- Add 2 oz of Kahlua, 1 oz of vodka, and 1 oz of heavy cream to the shaker.
Step 3.
- Shake well until chilled.
Step 4.
- Strain into a highball glass filled with ice.
Step 5.
- Top with a splash of club soda.
Step 6.
- Garnish with chocolate shavings.