1cupwhipping cream sweetened with 2-3 tablespoons powdered sugar and whipped or 3 cups Cool Whip.
Instructions
Prepare crust. Process the Oreos in to crumbs using a food processor, or put them in a heavy duty zipper bag and crush with a rolling pin. Stir together crumbs and butter, then press mixture into a greased 9 inch deep dish glass pie dish. Cover and place in freezer for about a half hour or until frozen.
Spoon softened ice cream into pie dish and spread evenly over crust. Cover with foil (preferably non-stick) and freeze for another few hours or until ice cream is firm. Prepare sauce.
In a quart saucepan, stir together cocoa powder, brown sugar, syrup, cream, salt and half of the chocolate. Set the pan over medium heat and cook, stirring constantly, until chocolate melts and mixture begins to boil (bubbles will appear around side). Allow mixture to come to a low boil and let simmer for about 3 minutes, stirring often. .
Remove from heat and stir in butter, remaining chocolate and vanilla. Let cool completely (takes a few hours). When fudge sauce is cool, spread a little over half of it (save the rest) evenly over ice cream in pie plate
Spread the whipped cream or Cool Whip over the fudge sauce. Return the entire pie to the freezer for 4 hours or overnight. Cover with non-stick foil or plastic wrap to avoid freezer burn.