Chocolate Meringue Mousse Tart with Sable Pastry

The delicious tartness of lemon meringue pie makes my mouth water, but a chocolate meringue pie is a close second favourite. This is a show-stopping tart that will attract lots of attention. I have made so many meringues in my time but only recently experimented with chocolate meringue. When making mousse I prefer to use a probe thermometer rather than an old-school sugar thermometer – they are so accurate, easy and quick.