Instructions
- Prepare the glass by rubbing a lime wedge around the rim and dipping it in salt.
- In a shaker, combine cachaça, fresh lime juice, and simple syrup with ice.
- Shake well for about 10 seconds.
- Strain the mixture into a highball glass filled with ice.
- Top with grapefruit soda and stir gently.
- Garnish with a lime wedge.