German Chocolate Cake(Carol'S Birthday Cake)  
["1 (4 oz.) bar sweet chocolate bar", "1/3 c. boiling water", "1 2/3 c. unsifted flour", "3/4 tsp. baking soda", "1/8 tsp. salt", "2/3 c. water", "1 c. plus 2 Tbsp. sugar", "1 c. buttermilk", "2/3 c. butter or oleo", "1 tsp. vanilla", "3 egg yolks", "3 egg whites"]
["Heat oven to 350\u00b0.", "Grease and flour or line pans with waxed paper (two 9-inch cake pans).", "Break chocolate in small pieces, add 1/4 cup water in saucepan.", "When melted and cooled, add flour, baking soda, salt, sugar and buttermilk.", "Combine butter, sugar and vanilla in large mixing bowl until fluffy.", "Beat in egg yolks, one at a time.", "Blend well.", "Gradually add chocolate and dry ingredients alternating with 2/3 cup water.", "Mix well.", "Do not overbeat.", "Beat egg whites until stiff, fold in mixture.", "Pour into layer pans (9-inch) and bake 30 to 35 minutes; in 3 round pans (8-inch) bake 25 to 30 minutes; or in 9 x 13-inch pan bake 40 to 45 minutes at 350\u00b0."]
["sweet chocolate", "boiling water", "flour", "baking soda", "salt", "water", "sugar", "buttermilk", "butter", "vanilla", "egg yolks", "egg whites"]