ALDI is delighting shoppers after revealing its Christmas “centrepiece” dessert. The star of the show is the new Specially Selected Centrepiece Pistachio Tiramisu (£8.99, 575g), arriving in stores on 19 December. Drawing on the nation’s love for pistachio this year, it features layers of ladyfingers soaked in coffee syrup laced with brandy, filled with a…