To assemble, put 1 meringue disc on a serving platter. Sprinkle over 1/3 of the crushed berries, then spoon over 1/2 of the cream, 1/2 of the raspberries, 1/2 of the shortbread and 1/2 of the lemon curd. Repeat layering once more, finish with remaining meringue disc and dusting with remaining crushed berries. Serve.