1. Lightly coat a 9-inch springform pan with cooking spray. Line sides and bottom of pan with parchment paper. Place 20 of the chocolate sandwich cookies in a food processor; process until fine crumbs ...
If it comes out wet then cook it for a little longer. If the outside is cooking too quickly wrap some foil over the top of the cake. Make sure the foil is secured down so that it doesn't blow about.