Tender shortbread stacked with chewy caramel, glossy chocolate, and flakes of shimmering ... It does all the hard work for you, decimating the nuts into a coarse flour and evenly distributing ...

Pour the melted chocolate on to the prepared baking sheet and spread into a thin, even layer. Chill in the fridge for 15 minutes, or until set. Meanwhile, make the caramel by gently melting ...