The Crucial Steps to Making the Perfect Caipirinha 1. Cut a fresh lime into 8 cubes and put the pieces in a rocks glass, face up. 2. On top of the lime add three bar spoons of organic demerara sugar. 3. Muddle gently. 4. Add 60ml of good white cachaça, stir, add ice cubes, stir, and add a stalk of cane sugar for garnish.