Cordials

• 1 1/2 cups caster sugar
• 3/4 cup water
• 3 cups pink grapefruit juice
• Water or mineral water, to serve

Place sugar and water into a small saucepan over low heat. Cook, stirring, until sugar dissolves. Increase heat to high. Boil, without stirring, for 10 minutes. Set aside to cool slightly. Pour pink grapefruit juice into a sealable jug. Add sugar syrup. Stir well to combine. Refrigerate for 3 to 4 hours or until chilled.
To serve, fill one-third serving glasses with cordial and top with water.