Preparation
Combine ingredients in a saucepan and simmer until thickened.
Stir constantly, preferably with a wooden spoon, until you see the saucepan while stirring (4-5 hours).
Add the egg yolks and let cook 2 or 3 minutes longer.
Remove cinnamon stick.
Let cool. This recipe must be watched constantly.
NOTE: There is also a shortcut for preparing arequipe.
Put a can of sweetened condensed milk in a pot of boiling water.
The water should fully cover the can which must not be opened.
Boil it for about 5 hours adding water constantly to compensate evaporation.
Let it cool down for 30 min before opening the can.