Boiled Frosting
1 cup sugar 1/3 cup water 1/8 teaspoon cream tartar 1 egg white Boil the water, sugar and cream tartar till it forms a soft ball in cold water; pour in a fine stream on the egg white beaten very stiff, beat as you pour; continue beating until stiff and smooth. Spread on a cold cake. Dip knife in warm water.
Chocolate Filling, No. 1 1 cup sugar 2 squares chocolate, grated 2 tablespoons butter 3/4 cup milk 2 tablespoons corn starch in 1/4 cup milk 1 teaspoon vanilla Boil first four ingredients together for five minutes, add corn starch in milk and boil for three minutes more. Beat until cool and add vanilla. Chocolate Filling, No. 2 1 egg yolk 1/2 cup sweet milk 1/4 cake chocolate 1 cup sugar Flavor with vanilla and cook like custard.
Chocolate Filling, No. 3 Melt 1/4 pound Baker's chocolate over warm water and stir it into twice the rule for boiled icing. Spread while warm, as it stiffens quickly. If too firm, beat in slowly sweet cream until as thin as desired.