French Silk Pie
["1 c. sugar", "3/4 c. butter (not margarine)", "3 sq. (3 oz.) unsweetened chocolate, melted and cooled", "1 tsp. vanilla", "3 eggs", "baked pastry shell"]
["In a bowl, beat butter and sugar with an electric mixer on medium speed about 4 minutes or until fluffy.", "Stir in chocolate and vanilla.", "Add eggs, one at a time, beating on high after each addition and scraping sides of bowl constantly.", "Transfer to baked pie shell.", "Cover; chill for 5 to 24 hours or until set.", "If desired, top with unsweetened whip cream and chocolate curls."]
["sugar", "butter", "unsweetened chocolate", "vanilla", "eggs", "pastry shell"]