01 - Combine sugar and water in a small saucepan. Heat over medium heat, stirring constantly until sugar completely dissolves. Remove from heat and allow syrup to cool to room temperature.
02 - In a large mixing bowl, whisk together cooled syrup, fresh lemon juice, grated lemon zest, and sea salt until thoroughly combined.
03 - Pour mixture into ice cream maker and churn according to manufacturer's instructions, typically 20-25 minutes, until mixture reaches thick, slushy consistency.
04 - Transfer churned sorbet to shallow freezer-safe container. Cover tightly and freeze for minimum 4 hours or until firm enough to scoop.
05 - Scoop frozen sorbet into chilled bowls or glasses. Top each serving with fresh mint leaves for presentation and aroma.