Homemade Orange Refresher

HOMEMADE ORANGE REFRESHER

1 can (6 oz.) frozen orange juice concentrate, thawed
1/3 cup sugar
1/2 cup instant nonfat dry milk powder
2 tsp. vanilla extract
3/4 cup cold water
10 to 12 ice cubes
Orange slices and mint, optional

Combine the first five ingredients in a blender; cover and process on high. Add ice cubes, a few at a time, blending until slushy. Serve in chilled glasses. Garnish with orange slices and mint if desired. Serve immediately. Makes 4 servings.