together. Beat in eggs, mixing well. Sift together flour, baking powder, salt, cinnamon and baking soda. Add sifted dry ingredients alternately with sour milk to creamed mixture. Fold in apples. Pour into greased 9 x 13 baking pan. Topping: Stir together nuts, sugar and cinnamon. Sprinkle over cake. Bake at 350 for 45 to 50 minutes.