Step 1

Place the rice and cinnamon in a heatproof bowl and cover with the hot water. Let sit anywhere from 2 to 8 hours.

Step 2

When ready to puree the mixture, add the milk and sugar to the rice mixture and stir well. Place in a blender, in batches, and completely puree. Strain into a pitcher as you move along. Serve over ice filled glasses and/or store in the refrigerator.