40ml white rum
1 citrus tea bag
2 teaspoons lemon juice
1 teaspoon caster sugar
soda water, to top up
orange or lemon twist, to decorate
Pour the rum into a wine glass, add the tea bag and leave to steep for 2 minutes.
Remove the tea bag and add some ice cubes to the glass.
Add the remaining ingredients and stir. Decorate with a twist of orange or lemon and serve.