Beat the cream until almost stiff, add sugar and vanilla. Crumble a quarter of the cookies and put into the bottom of a pie plate. With a spatula spread 1/5 of the whipped cream over the cookies. Put 1/5 th of the strawberries over the cream, arrange more cookies on top of this and repeat process ending with a layer of whipped cream and strawberries. Cover with plastic wrap and refrigerate at least 8 hours.