Step 1

Place sugar and 1 1/2 cups water in a small saucepan over medium-high heat. Cook, stirring, for 5 minutes or until sugar is dissolved.

Step 2

Cut each lemongrass stalk into 4 long pieces. Add to saucepan. Bring to the boil. Simmer, without stirring, for 8 to 10 minutes or until mixture thickens slightly. Remove from heat. Set aside to cool completely.

Step 3

Combine lime juice, cooled sugar syrup (with lemongrass), coconut water and ginger beer in a jug. Divide ice among serving glasses. Add a sprig of mint to each glass. Pour lemongrass mixture over ice. Stir well. Serve immediately.