1 (4 oz.) pkg. Baker's German sweet chocolate
1/2 c. boiling water
1 c. butter
2 c. sugar
4 egg yolks
1 tsp. vanilla
2 1/4 c. sifted all-purpose flour (or 2 1/2 c. sifted cake flour)
1 tsp. baking soda
1/2 tsp. salt
1 c. buttermilk
4 egg whites, stiffly beaten

Melt chocolate in boiling water Cool. Cream butter and sugar until fluffy. Add yolks, one at a time, beating well after each. Blend in vanilla and chocolate. Sift flour with soda and salt; add alternately with buttermilk to chocolate mixture, beating after each addition until smooth. Fold in beaten whites. Pour into three 9-inch layer pans, lined on bottoms with paper. Bake at 350 degrees for 30-35 minutes. Cool. Frost tops only.