Lemon-Lime Slushy - cooking recipe

Ingredients

1 (12 ounce) can frozen lemonade concentrate, thawed and undiluted
1 (12 ounce) can frozen limeade concentrate, thawed and undiluted
6 cups crushed ice
5 cups carbonated lemon-lime beverage, chilled
Garnishes
lemon slice
lime slice

Preparation

Process half of the lemonade, limeade, and ice in a blender until smooth, stopping to scrape down sides. Pour mixture into a 4-quart plastic container. Repeat procedure with other half. Freeze until firm.
Remove from freezer 30 minutes before serving; break into chunks. Add soda; stir until slushy. Garnish, if desired.