Orange Julius
["6 oz. frozen orange juice", "1 c. water", "1 c. milk", "1/2 c. sugar", "1 tsp. vanilla", "9 to 12 ice cubes", "1 egg (optional)"]
["Place all ingredients in the blender. (Use 9 ice cubes for a drink, 12 for slush.) Blend on high until the ice becomes quiet. Serve at once."]
["orange juice", "water", "milk", "sugar", "vanilla", "egg"]