Cook the rice in plenty of water and a dash of sea salt. Let it boil for 8 min. remove from the pan and drain so all the excess water.
In a sauce pan put the milk, sugar, lemon, and the cinnamon sticks. Before it starts boiling reserve 1/4 of the milk mixture in a cup. This will be used later temper the yolks. Then add the rice. Let it cook in medium low, stirring constantly until the mixture thickens. Remove the lemon rind and the cinnamon sticks.
Beat the egg yolks in a different bowl then in the same bowl ad the 1/4 of a cup of the milk mixture that we saved earlier. while whisking constantly. Add this into the sauce pan with the rest of the mixture. While whisking energetically. Do this for 5 min or until it is thickened.
Serve warm or cold. Add a dash of ground cinnamon and enjoy! :D