1 - Boil milk in the top of a deep double boiler five minutes.

2 - Remove from fire and add chocolate, mixed with the cinnamon, a little at a time, beating with molinillo or egg beater after each addition.

3 - When the chocolate is thoroughly blended, heat to the boiling point.

4 - Place over bottom of double boiler and add eggs, whipping constantly, until they are thoroughly blended and the mixture is frothing.

5 - Serve in coffee mug.