Combine: In a saucepan, combine the fruit juice, sugar, water, and lemon juice.
Heat: Bring the mixture to a boil, then reduce heat and simmer for 5-7 minutes, or until the sugar has dissolved.
Cool: Let the mixture cool completely before transferring it to an ice cream maker.
Serve: Transfer the sorbet to an airtight container and freeze for at least 2 hours before serving.
Notes
Flavor Variations:
Mango Sorbet: Use mango puree for the fruit.
Blueberry Sorbet: Use blueberry juice for the fruit.
Raspberry-Lemon Sorbet: Use raspberry juice and add more lemon juice for a tangy twist.