4 (1 oz.) sq. unsweetened chocolate
3/4 c. butter, softened
1 c. sugar
2 tsp. vanilla
4 eggs
1 (8 inch) crust
Whipped cream & chopped nuts

Melt chocolate; let cool. In small mixer bowl, cream butter. Add sugar, melted chocolate and vanilla. Beat until light and fluffy. (Don't worry if mixture is still a little gritty with undissolved sugar.) Add eggs. Beat about 3 minutes, until smooth and thick. Pour into baked shell. Chill thoroughly. Trim with whipped cream and nuts.