Chocolate Beer Cake
["1/3 c. butter", "1 c. sugar", "2 eggs, separated", "2 sq. unsweetened chocolate, melted and cooled", "1 3/4 c. sifted cake flour", "1 tsp. baking soda", "1/2 tsp. salt", "3/4 c. beer"]
["Cream butter; add sugar slowly and beat well.", "Add egg yolks, one at a time, beating until well blended.", "Add chocolate and beat until smooth.", "Mix and sift flour, baking powder, soda and salt 3 times.", "Add alternately with beer, a little at a time.", "Add the beaten egg whites. Bake in oblong pan at 375\u00b0 for 30 minutes or until done."]
["butter", "sugar", "eggs", "unsweetened chocolate", "cake flour", "baking soda", "salt", "beer"]