Indulge in a sweet and refreshing watermelon sorbet. In a blender, puree chunks of watermelon until smooth. Add a squeeze of lemon juice and a tablespoon of honey or agave syrup for sweetness. Blend again until well combined. Pour the mixture into an ice cream maker and churn according to the manufacturer's instructions. Transfer the sorbet to a container and freeze for a few hours until firm. Serve in bowls or cones for a delightful frozen treat. The natural sweetness of the watermelon shines through in this simple and refreshing sorbet.