Place the sugar, water and lemon juice in a small saucepan. Bring to boil, stirring occasionally. When the sugar is dissolved, remove the pan from heat
And chill the syrup. Meanwhile prepare the watermelon by removing all the seed from the flesh
Place the flesh in the bowl of a food processor
Process until liquefied. Add the purée to chilled syrup; stir to combine.
Freeze the sorbet in an ice-cream maker according to the manufacturer's instructions. Store, in an airtight container.
