Nut Cream Cake

Directions

1. 1
   Cream butter with sugar, then add the egg yolks and grated rinds; beat until light and fluffy.
2. 2
   Sift flour, baking powder and soda together.
3. 3
   Stir 2 tablespoons of this mixture into the nuts. Fold nuts, dry ingredients and sour cream into the egg yolk mixture.
4. 4
   Lastly, beat the egg whites until stiff and fold in lightly.
5. 5
   Butter and flour a spring-form cake pan.
6. 6
   Turn in the mixture and bake at 350° for 1 hour, or until the cake tests done. Remove from the oven.
7. 7
   Let stand 5 minutes.
8. 8
   Remove the spring sides of the pan.
9. 9
   Dust with powdered sugar.