Ingredients
1. All purpose flour (2c)
2. butter or margarine, softened (1/2c)
3. ground cinnamon (2tsp)
4. chopped walnuts (1/2c)
5. sugar, divided (1 1/2c)
6. vanilla extract (1tsp)
7. salt (1/2tsp)
8. baking soda (1/2tsp)
9. baking powder (1tsp)
10. peeled, cored and thinly sliced apple (1med.)
11. sour cream (1c)
12. eggs (2)

Method of preparation:-
1. Take a small bowl, mix cinnamon, nuts and ½ cup of sugar and then keep it aside.

2. Take a large mixing bowl, cream butter in it and then add rest of the sugar in it and again beat it until the mixture becomes light and fluffy. Then add eggs in it one by one. Beat the mixture after each addition of egg. Mix vanilla in it.

3. Now mix all the dry ingredients in a bowl and then add to the creamed mixture with sour cream. Beat the mixture properly after each addition.

4. Take a tube pan of 10 inch with removable bottom, grease it and then spread half of the mixture in it. Place apple slices on it and then dust half of the nuts mixture on it. Then spread the rest of the cream mixture and again dust nuts mixture on the top.

5. Now place the tube pan in oven and bake it for about 40 minutes at 375 degrees F. Bake it until the tooth pick inserted in the center comes out clean.

6. Take out the cake from oven and keep it for 30 minutes to loosen the sides of cake and then take out the cake from the pan with removable bottom. Keep it to cool and then serve it.