9" graham cracker crust
3/4 c. butter
1 c. sugar
2 (1 oz.) squares unsweetened chocolate, melted & cooled
3 eggs
1 tbsp. vanilla
Whipped cream

Using Mixer: Cream butter. Add sugar slowly and whip until smooth. Blend in chocolate. Add eggs, one at a time, whipping 5 minutes after each egg is added (very important). Add vanilla. Pour into pie shell and chill several hours. Top with whipped cream and serve.