- 1 slice of lime
- Coarse sea salt for rimming the glass
- 130 g ice cubes
- 30 ml dark tequila
- 22 ml Cointreau or triple sec
- 22 ml freshly squeezed lime juice
- 7 ml sugar syrup also known as simple syrup (see notes)
- Rub the lime slice around the rim of a glass: turn the glass upside-down and dip the wet rim into a saucer of salt.
- Place ice cubes, dark tequila, Cointreau, lime juice and sugar syrup in a cocktail shaker; shake vigorously.
- Strain into the prepared glass and serve immediately.
Sugar syrup: Combine 220 g caster sugar with 250 ml water in a small saucepan over a low heat. stirring until the sugar dissolves, then bring to the boil. Reduce the heat; simmer, uncovered, for 5 minutes. Cool. Store in the refrigerator, in an airtight container, for up to one month. Makes 50 ml.