1½ limes, chopped into cubes
3 tsp white granulated sugar
65ml/2½fl oz Cachaca
large handful ice cubes
1. Place the lime cubes and sugar into a cocktail mixer and using a muddle (or the end of a wooden rolling pin), squeeze and mash the limes and sugar into a paste.
2. Add the Cachaca and some ice cubes, cover with a lid and shake 6-8 times.
3. Pour into a highball glass and serve.