Fill up the jug about three-quarters full with ice, then add the rum. Stir with a long-handled spoon to mix all the ingredients together gently and top up with the sparkling water. Stir once more, then serve poured into tall glasses with a few extra ice cubes and lime slices. Try these 3 twists It’s important you use white rum here, rather than dark or spiced versions. White rum tends to be sweeter and more subtle in flavour with tropical coconut vibes. The key to a good Mojito is muddling lime, sugar and mint together first. This basically means crushing it all in a jug, or glass to release the flavours of the fruit and herbs. Once you’ve done that it’s a matter of adding the rest of the ingredients, giving it a good stir, and bam, you’re done! Put 100g blueberries, 3 chopped lemons and 2 tbsp granulated sugar in a jug and muddle. Bruise the leaves from 2 mint sprigs and add them to the jug with lots of ice. Pour over 350ml white rum and 600ml sparkling water and stir together.