Devastating Chocolate Pie
["3 1/2 oz. chocolate (unsweetened)", "1/2 c. butter", "4 eggs, beaten", "3 Tbsp. light corn syrup", "1 1/2 c. sugar", "1/4 tsp. salt", "1 tsp. vanilla", "1 (9-inch) pie shell, unbaked"]
["In top of double boiler, over boiling water, heat butter and chocolate, stirring until melted and well blended.", "Allow to cool slightly.", "Blend syrup, sugar, salt and vanilla into beaten eggs. Add chocolate; blend well."]
["chocolate", "butter", "eggs", "light corn syrup", "sugar", "salt", "vanilla", "pie shell"]