Frozen Whiskey Sour

1 (12 ounce) can frozen lemonade
1 (6 ounce) can frozen orange juice
3/4 cup granulated sugar
2 cups bourbon
5 cups water

Combine all ingredients and mix well to dissolve juices and sugar. Put into freezer. Remains slushy for days in freezer. Garnish with maraschino cherry and orange slice to serve.