Cream butter, sugar, vanilla, and yolks well. Alternately add buttermilk and a sifted mixture of the flour, soda, and salt. Add coconut, nuts and egg whites (beaten until fluffy, but not dry). Pour batter into 3 well greased and floured 9" cake pans. Bake for 30 minutes at 350 degrees. Cool on racks, then ice with icing.

Icing:

Cream the cheese, vanilla and butter well; gradually add sugar, beating well, until desired consistency is attained.

This cake freezes well.