Put the milk in a bowl and heat it until boiling. Then add the sugar, the rice, the salt, the lemon peel and the cinnamon stick. Reduce heat to a simmer for 15 minutes.
As soon as the rice is ready, take it off the cooker and wait until it cools.
Whip the yolk and put them into the rise, mix very well and heat it on a low fire to cook the yolks.
Serve on plates garnished with powder cinnamon.