Maple Sugar Cake.

One-half cup of butter, ½ cup of milk, ½ teaspoon soda, whites of 5 eggs, 1 cup of maple sugar, 2 cups of flour, 1 teaspoon cream of tartar. Beat the butter to a cream, then gradually add the sugar and stir until light and creamy, then add the milk, then the whites of eggs which have been beaten to stiff froth, last the flour in which the soda and cream of tartar have been thoroughly mixed. Bake in three layers in a quick oven. To be frosted with maple sugar frosting.