Frosty Sour

1 (12 ounce) can frozen lemonade concentrate, undiluted
1 tablespoon frozen orange juice concentrate, undiluted
4 jiggers bourbon
1 1/2 cups crushed ice or 6 whole ice cubes

Put all ingredients into a blender container. Cover and process on high until ice is almost completely liquefied. Strain into whisky sour glasses. Garnish with an orange slice and a maraschino cherry.

Yields about 8 drinks.