- 1 cup uncooked white rice
- 1/2 teaspoon ground cinnamon
- 4 1/2 cups water, divided
- 2/3 cup light coconut milk
- 1/3 cup superfine sugar
- 1 teaspoon vanilla extract
- Pour rice, cinnamon, and 3 cups water in a blender; blend until rice begins to break up, about 1 minute.
- Transfer rice mixture to a large bowl and stir in remaining 1 1/2 cups water; let stand for at least 3 hours, whisking occasionally.
- Strain rice mixture with a fine sieve into a large pitcher and discard rice.
- Stir coconut milk, sugar, and vanilla extract into the pitcher. Chill completely and stir before serving over ice.