Black Walnut Cake - cooking recipe

Ingredients

1/2 c. butter, softened
1/2 c. shortening
2 c. sugar
5 eggs, separated
1 c. buttermilk
1 tsp. baking soda
2 c. all-purpose flour
1 tsp. vanilla extract
1 1/2 c. chopped black walnuts
1 (3 oz.) can flaked coconut
1/2 tsp. cream of tartar

Preparation

Cream butter and shortening; add sugar gradually.
Beat until light and fluffy and sugar is dissolved.
Add egg yolks, beating well.
Combine buttermilk and soda; stir until soda is dissolved. Add flour to creamed mixture alternately with buttermilk mixture, beginning and ending with flour.
Stir in vanilla.
Add 1 1/2 cups walnuts and coconut, stirring well.