Add all of the ingredients to a blender and blend until smooth.
3 cups ice, 2 cups milk, 1 ½ cups frozen orange juice concentrate, 1 cup powdered sugar, 1 cup water, 2 teaspoons pure vanilla extract
Serve immediately with orange wedges for garnish if desired.
Notes
You can use dairy or plant based milk in this recipe. If using plant based, use an unsweetened one and one with a fairly neutral taste like almond or oat.
Blend for a minute or two to make sure that the drink is nice and smooth.