1 1/4 cups sugar
3/4 cup butter, softened
3 eggs
1 teaspoon grated orange peel
1/2 teaspoon grated lemon peel
1/2 teaspoon vanilla extract
2 1/4 cup flour
2 1/4 teaspoon baking powder
3/4 teaspoon baking soda
1/4 teaspoon salt
3/4 cup sour cream

Beat sugar and butter until light. Add eggs 1 at a time, beating well after each. Beat in orange peel, lemon peel, and vanilla. Mix flour, baking powder, soda, and salt. Mix dry ingredients into butter mixture, alternately with sour cream, in two additions. Divide batter between pans. Bake about 25 minutes. Cool 20 minutes, loosen and turn out onto rack to cool completely before frosting.