French Silk Chocolate Pie

1 Pie shell, baked and cooled

1/2 c Butter

3/4 c Sugar

1 oz Chocolate square *

1 ts Vanilla

2 Eggs

Whipped cream and walnuts - for topping, optional * NOTE: the book did not specify what type of chocolate to use. Make your favorite single 8 inch pie shell. Cream butter, add sugar slowly, creaming well. Blend in melted and cooled chocolate and vanilla. Add eggs, one at a time, beating 5 minutes after each addition. With electric mixer use medium speed. Turn into cooled, baked pie shell. CHill 1 to 2 hours. Before serving top with whipped cream and walnuts, if desired. From: 100 Prize Winning Recipes, from Pillsbury's 3rd Grand National contest. First edition, 1952. Comment in book: submitted by Mrs. K. E. Cooper, Silver Spring, Maryland. Mrs. Cooper won $1,000 for this recipe. Typed by Dale & Gail Shipp, Columbia Md. 1994.