Cream the butter, add sugar gradually, and continue beating. Then add grated rind, lemon juice, and yolks of eggs beaten until thick and lemon-colored. Mix and sift soda, salt, and flour; add to first mixture and beat thoroughly. Add whites of eggs beaten stiff. Bake from twenty to twenty-five minutes in small tins.
Queen Cake
⅔ cup butter
2 cups flour (scant)
¼ teaspoon soda
Whites 6 eggs
1¼ cups powdered sugar
1½ teaspoons lemon juice
Cream the butter, add flour gradually, mixed and sifted with soda, then add lemon juice. Beat whites of eggs until stiff; add sugar gradually, and combine the mixtures. Bake fifty minutes in a long shallow pan. Cover with Opera Caramel Frosting.