Chocolate-Vanilla Wafer Dessert
["1 c. sugar", "1/2 c. butter", "3 eggs, separated", "dash of salt", "1/2 tsp. vanilla", "1 1/2 sq. bitter chocolate", "1/2 lb. vanilla wafers, crushed"]
["Cream the butter and sugar.", "Add beaten egg yolks.", "Melt chocolate; add vanilla and add to batter.", "Fold in stiffly beaten egg whites and salt.", "One-half cup of chopped nuts may be added. Spread half of crushed wafers in a buttered shallow pan.", "Spoon on chocolate mixture 1 inch thick.", "Sprinkle on remaining crumbs. Refrigerate 24 hours.", "Cut in squares to serve.", "Serves 8 to 12."]
["sugar", "butter", "eggs", "salt", "vanilla", "bitter chocolate", "vanilla wafers"]