01 -
Arrange the cubed cantaloupe evenly on a wax paper-lined baking sheet and freeze until solid, about 1–2 hours.
02 -
Combine granulated sugar, water, and mint in a small saucepan over medium heat. Stir until the sugar dissolves and the syrup takes on a light green hue from the mint, about 2–4 minutes.
03 -
Strain the syrup to remove the mint, discarding the solids. Let the syrup cool to room temperature.
04 -
Add the frozen cantaloupe cubes, mint syrup, lime juice, salt, and vodka to a high-speed blender. Puree until smooth and slushy.
05 -
Pour the melon slush into chilled glasses and garnish as desired. Serve immediately.