1 chocolate cookie pie crust
1 qt. mint chocolate chip flavored ice cream, softened
3/4 c. powdered sugar
1 tbsp. butter
3 squares semi-sweet chocolate
1/2 c. evaporated milk

Spread softened ice cream into the crust. Freeze 1-2 hours. In saucepan, combine sugar, butter, chocolate and milk. Heat, stirring occasionally, until thickened. Let cool; spread over the firm ice cream. Freeze 1 hour. Let stand at room temperature 15 minutes before serving.