This section is from the book "Cooking For Profit", by Jessup Whitehead. Also available from Amazon: Cooking for Profit.
Common unsweetened chocolate is to be used as the sweet chocolate being 1/2 sugar is not strong-.
1 ounce common chocolate makes 4 cups.
1 heaping cupful of grated common chocolate, is 3 ounces and makes 3 quarts; it contains 7 tablespoonfuls.
1 heaping tablespoonful of grated common makes 2 cups as cups are filled.
Chocolate must be cold to grate; it melts and runs when made hot. The ounces are marked on the cakes.
To make chocolate take: 3 cups milk.
1 cup water.
2 heaping tablespoons grated chocolate. Boil the milk and water in a saucepan, drop in the chocolate and beat with the wire egg-whisk until the chocolate is all dissolved and it boils. It should be made to order whenever practicable, the milk and water being kept ready boiling, but if made beforehand should be kept in a sink of the steam chest or double kettle and not allowed to boil again.
Cost of material by gallon - 4 ounces chocolate 10, 3 quarts milk 21, sugar 10; 41c for 18 cups 2 1/4c a cup - single cups cost 2 1/2c.
 
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