01 - Combine sugar, water, and mint leaves in a small saucepan. Bring to a gentle simmer over medium heat, stirring until sugar completely dissolves. Remove from heat and let cool completely. Discard mint leaves.
02 - Purée strawberries and lemon juice in blender or food processor until completely smooth.
03 - Add cooled mint syrup to strawberry-lemon purée. Blend or mix until thoroughly combined.
04 - Pour mixture through fine mesh sieve into bowl to remove seeds for smoother texture.
05 - Transfer mixture to ice cream maker and churn according to manufacturer instructions, approximately 20–25 minutes, until sorbet consistency is reached.
06 - Scoop sorbet into freezer-safe container, cover tightly, and freeze for at least 4 hours or until firm.
07 - Scoop into bowls or cones, garnish with fresh mint leaves, and serve immediately.