Connie's Orange Julius

Why I Love This Recipe
My oldest son, Chris, was given this recipe when he was in grade school (he's over 40 yrs old now) and my family has enjoyed it ever since!
Submitted by: "Connie Prunty"
Ingredients You'll Need
1 6-oz can frozen OJ (or Pineapple, or Orange/Pineapple/Banana)
1 cup milk
1 cup water
½ cup sugar
1 tsp vanilla
2 tsp powdered protein (optional)
11-12 ice cubes
Directions
Blend until smooth.