French Silk Pie
["1 8-inch pie shell", "1/2 c. butter", "3/4 c. sugar", "1 sq. (1 oz.) chocolate", "1 tsp. vanilla", "2 eggs", "whipped topping", "chopped walnuts"]
["Cream butter, gradually add sugar, cream together well.", "Melt chocolate and blend with butter mixture.", "Add vanilla.", "Add eggs one at a time beating 5 minutes each time (you can use electric mixer if desired).", "Pour into cooled crust.", "Chill 1 to 2 hours. Top with whipped topping and walnuts to serve."]
["shell", "butter", "sugar", "chocolate", "vanilla", "eggs", "topping", "walnuts"]