Place the rice on a fine-mesh sieve and rinse it until the water runs clear.

In a large mixing bowl, add the rice, whole milk, sweetened condensed milk, and cinnamon sticks.

Pour hot water into the mixture and stir until the sweetened condensed milk dissolves.

Allow the mixture to come to room temperature. Cover the bowl with plastic wrap, then refrigerate the mixture for 5 hours; overnight for the best flavor.

Remove plastic wrap. Remove the cinnamon sticks and discard sticks.

Strain the mixture to separate the rice. Reserve the strained liquid.

Add the rice and 1.5 cups of strained liquid to your blender. Blend for 3 minutes until the rice is liquefied.

Strain the blended rice back into the reserved liquid.

Make sure the rice has completely dissolved with no bits of rice left in the strainer. Blend again if bits are left behind.

Serve over ice with a sprinkle of cinnamon. Enjoy!