How to Make It
Combine nectar, banana, 1 can juice concentrate, and cream of coconut in container of an electric blender; cover and process until smooth. Pour mixture into a large freezer-proof container. Stir in remaining concentrate and 2 1/2 cups water. Cover and freeze 4 hours or until slushy.
To serve, transfer juice mixture to a small punch bowl. Stir in carbonated beverage, and serve immediately.
Light and Luscious