Black Walnut Cake

Directions

1. 1
   In a bowl, toss walnuts with 1/4 cup flour; set aside. In a bowl, cream butter and sugar.
2. 2
   Add eggs, one at a time, beating well after each addition.
3. 3
   Add vanilla; mix well.
4. 4
   Combine the baking powder, salt and remaining flour; add to the creamed mixture alternately with milk. Stir in the reserved nut mixture.
5. 5
   Transfer to a greased and floured 10-in. tube pan.
6. 6
   Bake at 350° for 50-55 minutes or until a toothpick inserted near the center comes out clean. Cool for 10 minutes before removing from pan to a wire rack to cool completely.
7. 7
   In a heavy saucepan, combine sugar, egg whites, water and cream of tartar. With a portable mixer, beat on low speed for 1 minute. Continue beating on low speed over low heat until frosting reaches 160°, about 9 minutes.
8. 8
   Pour into the bowl of a heavy-duty stand mixer; add vanilla. Beat on high speed until frosting forms stiff peaks, about 7 minutes. Frost the cake.