This section is from the book "Cooking For Profit", by Jessup Whitehead. Also available from Amazon: Cooking for Profit.
2 heaping tablespoons sugar.
Flavoring of nutmeg or stick cinnamon. Boil the milk with half the sugar in it to prevent burning on the bottom. Beat the two eggs in a cup with the rest of the sugar and a spoonful of milk added. When the milk boils pour a little to the eggs, then turn all into the saucepan and stir until it thickens and shows signs of boiling. Too much cooking will spoil it.
Make same as boiled custard. No, 136, and add a tablespoon of grated common chocolate. An ounce of chocolate is sufficient for that quantity of custard trebled, and serves for the orders of 40 persons. The surplus chocolate that was too much for breakfast, can sometimes be utilized in this way. A flavoring of vanilla improves it.
 
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