BLACK WALNUT CAKE - Alabama Farmers Federation

Ingredients

• 1/2 cup butter, softened
• 1/2 cup solid vegetable shortening
• 2 cups sugar
• 5 eggs yolks
• 1 cup buttermilk
• 1 teaspoon soda
• 2 cups all-purpose flour
• 1 teaspoon vanilla
• 1 (3-ounce) can flaked coconut
• 2 cups chopped black walnuts, divided
• 5 egg whites, at room temperature
• 1/2 teaspoon cream of tartar
• Cream Cheese Frosting (recipe follows)