01 - Combine granulated sugar and water in a small saucepan. Heat over medium heat, stirring until sugar completely dissolves, about 2 to 3 minutes. Remove from heat and allow to cool to room temperature.
02 - Mix in freshly squeezed lemon juice, lemon zest, and a pinch of fine sea salt. If desired, add vodka and stir thoroughly.
03 - Cover and refrigerate the mixture for a minimum of 2 hours until fully chilled.
04 - Pour chilled mixture into an ice cream maker and churn per manufacturer’s instructions, generally 20 to 25 minutes, until the texture is thick and creamy.
05 - Transfer the churned sorbet into a freezer-safe container. Cover and freeze for at least 2 hours until firm.
06 - Allow sorbet to soften at room temperature for 5 to 10 minutes before scooping into bowls or cones for immediate serving.