Roll 20 plus Oreos and put in 9 x 13 inch pan. Melt in double boiler:

1 stick butter
3 sqs. Baker's semi-sweet chocolate

Beat 3 eggs and add carefully to chocolate. Stir until thick. Add 2 cups powdered sugar. Pour on top of crushed cookies in pan. Chill slightly. Soften 1/2 gallon of vanilla ice cream and add 1/4 to 1/3 cup creme de menthe. Spread on top and sprinkle cookie crumbs on top of dessert. Freeze.