1 (6 oz.) can frozen orange juice concentrate, thawed
1/4 c. sugar
1/2 c. milk
1 tsp. vanilla
6 oz. water
10-12 ice cubes

Blend orange juice, sugar, milk and vanilla together in a blender on a low speed. Gradually add water and ice cubes, turning the blender on and off several times to crush the ice. Blend at high speed until slushy.