Combine biscuit crumbs and butter in a bowl and mix well. Press mixture over base and sides of a 20cm springform pan and refrigerate until firm.

Beat cheese and sugar together in a large bowl of an electric mixer, until smooth. Chop up the ice cream, add to the cheese mixture and beat briefly until smooth, fold in berries. Pour filling into crust and freeze for several hours or until firm. Serve with extra fresh berries.