Black Walnut Cake

Directions

1. 1
   Cream butter and shortening; gradually add sugar, beating until light and fluffy and sugar is dissolved.
2. 2
   Add egg yolks; beat well.
3. 3
   Combine buttermilk and soda; stir until dissolves. Add flour to creamed mixture alternately with buttermilk mixture, beginning and ending with flour.
4. 4
   Stir in vanilla.
5. 5
   Add walnuts and coconut; stir well.
6. 6
   Beat egg whites with cream of tartar until stiff peaks form.
7. 7
   Fold egg whites into batter.
8. 8
   Pour into Bundt pan.
9. 9
   Bake at 350° for 45 minutes.
10. 10
    Cool completely and frost with cream cheese frosting.