Gather all ingredients: orange juice, milk, sugar, vanilla extract, and ice.
Measure out 1 cup of fresh orange juice.
Pour the orange juice into a blender.
Add 1 cup of milk.
Add 1-2 tablespoons of sugar based on your sweetness preference.
Add 1 teaspoon of vanilla extract.
Fill the blender with 2 cups of ice.
Blend on high until smooth and frothy.
Taste and adjust sweetness if necessary.
Pour into glasses and serve immediately.