This section is from the book "A New Book Of Cookery", by Fannie Merritt Farmer. See also: How to Cook Everything: 2,000 Simple Recipes for Great Food.
1/3 cup butter.
1 cup brown sugar Yolks 2 eggs.
½ cup milk.
2 cups bread flour 1 teaspoon soda Whites 3 eggs.
4 squares chocolate.
2/3 cup brown sugar 1 cup milk Yolk 1 egg.
1 1/2 cups chopped walnut meats.
1 cup citron, cut in small pieces.
2 teaspoons vanilla.
Cream butter and add gradually, while beating constantly, one cup sugar; then add yolks two eggs, well beaten, one-half cup milk, flour, mixed and sifted with soda, and whites three eggs, beaten until stiff. Melt chocolate and add two-thirds cup sugar, one cup milk and yolk one egg, slightly beaten. Cook in double boiler, stirring constantly until mixture is smooth. Cool and add to first mixture; then add nut meats, citron and vanilla. Turn into two buttered and floured seven-inch square pans and bake in a moderate oven thirty-five minutes. Remove from pans and cover with white or chocolate frosting.