• 1/2 cup lemon juice
• 1/2 cup blueberry juice
• 2 tablespoons sugar
• 1 cup club soda
• 2 cups ice
• 1 lime

Pour the lemon juice, blueberry juice, sugar, club soda and ice into a blender.  Pulse until smooth and slushy. Pour into glasses and garnish with a twist of lime.