In a blender, combine the rice and warm water. Blend for 1 to 2 minutes until the rice breaks up but does not form a powder. Let the rice mixture stand in the refrigerator for 6 hours or up to overnight.
the rice mixture into a container through a fine-mesh sieve
or several layers of cheesecloth
to remove the rice solids.
Pour the rice water into a blender
and add the milk
, vanilla and almond extracts
, cinnamon, and sugar. Blend for 1 minute until well combined and smooth. Serve the horchata
over ice with cinnamon sticks