1 (4 oz.) pkg. chocolate chips
1 2/3 c. all-purpose flour
1 tsp. baking soda
1/2 c. butter (soft)
1 c. sugar
1 tsp. vanilla
3 egg yolks
2/3 c. buttermilk
3 stiff egg whites, beaten

Grease and flour 2 round cake pans. Heat chocolate and 1/3 cup water until chocolate melts. Cool. Combine flour, soda, and 1/2 teaspoon salt. Beat butter 30 seconds and add sugar and vanilla; beat until fluffy. Add egg yolks. Beat in chocolate mixture and add dry ingredients and the buttermilk alternately to beaten mixture. Fold in egg whites. Pour into baking pans. Bake at 350 degrees for 30 to 35 minutes. Cool and remove from pans. Ice.