24 Oreo cookies, finely chopped
1/4 c. melted butter
1/4 c. milk
1 (7 oz.) jar marshmallow creme
1 pt. heavy cream
1/4 c. creme de menthe (green)

Combine Oreo crumbs and butter. Set aside 1/2 cup for topping. Press remainder into a 9" spring form pan. Gradually add milk and creme de menthe to marshmallow. Mix until blended. Whip cream and fold into marshmallow mixture. Pour into pan. Sprinkle with 1/2 cup of crumbs and place in freezer. Remove from freezer 5 to 10 minutes before serving.