2 sq. cooking chocolate
1/4 c. hot water
1/4 c. sugar
1/4 tsp. baking soda
2 c. all-purpose flour
1 1/2 c. sugar
3 tsp. baking powder
1 tsp. salt
1 1/2 c. Wesson oil
7 unbeaten egg yolks
3/4 c. water
2 tsp. vanilla
1 c. egg whites (7 or 8)
1/2 tsp. cream of tartar

Melt chocolate, add water, sugar and soda. Sift together flour, sugar, baking powder and salt. Form a well and add egg yolks, water and vanilla. Beat until smooth.

Beat egg whites and cream of tartar into very stiff peaks, fold into batter. Divide batter. Add chocolate mixture to half. Pour plain and chocolate batter alternately into ungreased 10 inch tube pan. Bake 55 minutes at 325 degrees. Increase to 350 degrees for 10 to 15 minutes. Frost with bon-bon icing.