Step 1.
- Prepare the guava by removing the skin and cut it into small pieces.
Step 2.
- In a shaker, muddle the guava pieces to release their juices.
Step 3.
- Add cachaça and sugar to the shaker.
Step 4.
- Fill the shaker with ice and shake well until chilled.
Step 5.
- Strain the mixture into a highball glass filled with ice.
Step 6.
- Garnish with a slice of guava.