Chocolate Cream

Mix 2 tablespoonfuls flour with 1 pint of milk or cream; add ½ teaspoonful vanilla extract, ¼ pound grated chocolate, 3 or 4 tablespoonfuls sugar, ½ tablespoonful butter, a sprinkle of salt and the yolks of 4 eggs; place this in a saucepan over the fire and stir till it boils; then remove and set aside to cool.