Black Walnut Fancy Cake

Grrrrrgh!
Course : Cakes
From: HungryMonster.com
Serves: 3 - 9 inch round cakes
Missouri State Fair past winner found at http://www.hammonsproducts.com/homerecipes.asp
 

Ingredients:

1/2 cup butter, softened
1/2 cup shortening
2 cups sugar
5 large eggs, separated
1 cup buttermilk
1 teaspoon soda
2 cups all-purpose flour
1 teaspoon vanilla
1 1/2 cup Black Walnuts
3 ounces flaked coconut
1/2 teaspoon cream of tarter
 

Preparation:

Cream butter and shortening. Gradually add sugar, beating until light and fluffy and sugar is dissolved. Add egg yolks and beat well. Combine soda and buttermilk; stir until soda is dissolved. Add flour to creamed mixture alternately with buttermilk mixture, beginning and ending with flour. Add vanilla, black walnuts and coconut; stir thoroughly. Beat egg whites, at room temperature, with cream of tarter, until stiff peaks form, then fold into batter. Pour batter into 3 greased and floured 9-inch cake pans. Bake at 350 degrees; for 30 minutes, or until cake tests done. Cool in pans 10 minutes, then remove from pans and finish cooling. Ice with Black Walnut Butter Cream Frosting.