In a medium saucepan, combine the sugar, salt, and orange juice. Heat over medium heat, stirring occasionally, until the sugar is dissolved. Remove from heat and let cool.
Add the lemon juice and cream, if using. Mix well.
Pour the mixture into a shallow container and place in the freezer. Stir every 30 minutes until it's frozen.
Serve the frozen sherbet in chilled bowls or glasses.
Interesting Facts
Sherbet is a type of dessert that is similar to ice cream but made with fruit juice or other flavored liquid instead of milk.
Sherbet was originally made from sherbet powder, which was a mix of sugar, cornstarch, and flavorings.
Sherbet is a popular dessert in many cultures around the world.