Arroz doce (sweet rice pudding)

Instructions

1. Rinse the rice under cold water, then cook it for 5 minutes in boiling water and drain.
2. In a heavy-based saucepan, bring the milk to a simmer with the cinnamon stick, lemon zest and a pinch of salt.
3. Add the drained rice and cook over low heat for 35 to 40 minutes, stirring often, until tender and creamy.
4. Remove the cinnamon and zest, then stir in the sugar and cook for another 3 minutes.
5. Off the heat, mix the egg yolks with a little of the hot rice, then pour everything back into the pan, stirring.
6. Return to very low heat for 2 minutes without boiling, then divide into small bowls.
7. Sprinkle with cinnamon and let it cool slightly or completely before serving.