4 oz. cooking chocolate
1/2 c. boiling water
1 c. butter
2 c. sugar
4 egg yolks
1 tsp. vanilla
2 1/2 c. flour
1 tsp. baking soda
1/2 tsp. salt
1 c. buttermilk
4 stiffly beaten egg whites

Melt chocolate in 1/2 cup boiling water; cool. Cream butter and sugar until light and fluffy. Add egg yolks (one at a time) and beat. Add vanilla and chocolate; mix well.

Sift flour and rest of the ingredients. Mix buttermilk alternately with flour. Put in 2 greased round pans or a 9x13 pan. Bake at 350 degrees for 35-40 minutes. Frost with your favorite chocolate frosting. DELICIOUS!