Horchata Iced Coffee

Combine rice, cinnamon sticks, and water in a container and let sit for 2 hours.

Drain rice and cinnamon sticks, but save the water. Combine rice and cinnamon sticks in a food processor or powerful blender. Process or blend until mixture resembles coarse sand.

Place rice mixture back into soaking water and let sit for 2 hours, stirring occasionally.