01 -
Combine hot water and sugar, stirring until sugar completely dissolves.
02 -
In a medium bowl, combine peach slices, mint leaves, and half the simple syrup. Muddle until mint is bruised and peaches are slightly mashed.
03 -
Transfer muddled mixture to a pitcher, add remaining simple syrup.
04 -
Add ice to pitcher, pour in both sparkling waters, and stir gently to combine.
05 -
Pour into glasses and garnish with peach slices and mint sprigs.