Ingredients
2 cups sugar4 cups water1 can (12 ounces) frozen limeade concentrate1 can (12 ounces) frozen orange juice concentrate2 cups blueberry juice or blueberry juice cocktail2 liters regular or diet lemon-lime soda, chilledFresh or frozen blueberries, optional
Preparation
In a large saucepan, combine sugar and water; bring to a boil, stirring to dissolve sugar. Cool 30 minutes.
Stir juice concentrates and blueberry juice into syrup; divide mixture (about 2 cups each) among five 1-1/2-pint freezer containers. Freeze, covered, overnight or until firm.
For each four-serving batch, place one portion frozen mixture into a blender; add 1-2/3 cups soda. Cover and process just until blended. Serve immediately. If desired, serve with blueberries.