1 lb. Oreo cookies, crushed
1/2 c. butter, melted
1/2 gal. chocolate chip mint ice cream
1 c. sugar
1 lg. can evaporated milk
1/2 c. butter
2 sqs. unsweetened chocolate
2 c. whipped cream
Slivered almonds (optional)

Crush cookies, mix with butter and pat into 2 (9 x 13 inch) pans. Soften the ice cream and spread on top of cookie mixture. Freeze. Combine sugar, evaporated milk, butter, and chocolate. Cook 15 to 20 minutes until partially thick. Cool. Spread over ice cream, freeze. Whip the whipped cream; spread over chocolate and sprinkle with almonds (if desired). Keep frozen.