Silk Chocolate Pie
["1/4 lb. butter (1 stick)", "3/4 c. sugar", "2 sq. unsweetened chocolate", "1 tsp. vanilla", "2 chilled, raw eggs", "1 baked pie shell", "sweetened whipped cream (1/2 pt.)"]
["Cream butter and sugar until smooth and fluffy (about 5 minutes on mixer so it won't be \"grainy\").", "Melt chocolate over boiling water in double boiler.", "Blend chocolate into butter-sugar mixture.", "Add 1 teaspoon of vanilla and blend.", "Add eggs, 1 at a time, beating 2 minutes after each addition.", "Turn into baked pie shell and chill several hours.", "Top with whipped cream and serve."]
["butter", "sugar", "unsweetened chocolate", "vanilla", "eggs", "shell", "cream"]