Ingredients:
Light rum - 60ml
Lime juice - 1 lime
Sugar - 2 tsp
Mint - 2 to 4 sprigs
Soda water

Method:
1. Lightly muddle the mint and sugar with a splash of soda water in a mixing glass until the sugar dissolve and you smell the mint.
2. Squeeze the lime into the glass, add rum and shake with ice.
3. Strain over cracked ice in a highball glass.
4. Top with soda water, garnish with mint sprig and serve.