Sometimes beverage provide calories but not many nutrients. Not this recipe! It's loaded with strawberries, which are high in vitamin C and potassium.
In a blender, combine strawberries, raspberries, and apple juice concentrate. Cover and blend until smooth. Strain through a fine-mesh sieve; discard pulp.
Pour strained mixture into a small pitcher; slowly stir in carbonated beverage. Serve over ice cubes in chilled glasses.
If desired, make berry ice cubes. Fill the compartments of an ice-cube tray with fresh quartered strawberries. Fill with water. Freeze until firm.