1 c. butter, softened
2 c. powdered sugar
4 squares melted baking chocolate, slightly cooled
4 eggs
1 tsp. peppermint flavor
2 tsp. vanilla
1 box Nabisco wafers

Crush wafers and line bottom of cupcake paper cups. Put remaining ingredients in mixture one by one and beat well after each addition. Spoon the mixture into the paper cups and top with more crumbs or chopped walnuts or whipped cream. If possible, freeze overnight or refrigerate.