Black Bottom Frozen Dessert - cooking recipe

Ingredients

25 Oreo cookies, crushed
1/2 c. melted oleo
1/2 gal. vanilla ice cream
1 (13 oz.) can evaporated milk
1 c. sugar
1 sq. unsweetened chocolate
13 oz. container Cool Whip

Preparation

Combine cookie crumbs and oleo; press into bottom of a 9 x 13-inch pan and freeze.
Soften the ice cream and spread on frozen crust and freeze.
Combine milk, sugar and chocolate.
Microwave until thick (at least 15 minutes).
On stove, cook over medium heat, stirring constantly, until a thick sauce is formed (about 20 minutes).
Cool mixture.