uncooked long-grain white rice
- Pour the rice and water into the bowl of a blender; blend until the rice just begins to break up, about 1 minute.
- Let rice and water stand at room temperature for a minimum of 3 hours.
- Strain the rice water into a pitcher and discard the rice.
- Stir the milk, vanilla, cinnamon, and sugar into the rice water.
- Chill and stir before serving over ice.