01 -
Gently melt Terry's chocolate orange pieces in a heatproof bowl over barely simmering water or in short microwave bursts, stirring until smooth.
02 -
Combine the ready-made custard with the melted chocolate orange, mixing until fully integrated and smooth. If the mixture becomes lumpy, gently heat in a saucepan over low-medium heat, whisking constantly until silky.
03 -
In a mixing bowl, whisk double cream with 2 tablespoons Cointreau, icing sugar, and orange zest until soft peaks form.
04 -
Cut the chocolate Swiss roll into 1–2 cm thick slices.
05 -
Arrange Swiss roll slices along the base and sides of a large trifle bowl. Sprinkle over 3–4 tablespoons Cointreau and the juice of the orange to moisten.
06 -
Pour half of the chocolate orange custard over the Swiss roll base, smoothing evenly.
07 -
Scatter drained mandarin segments (or fresh orange slices) over the custard. Layer any additional Swiss roll slices if remaining.
08 -
Pour the remaining custard over the fruit layer and spread evenly.
09 -
Smooth the whipped orange cream over the top of the trifle, covering all layers.
10 -
Garnish with Terry's chocolate orange segments, grated chocolate, extra orange zest, and festive sprinkles as desired.
11 -
Refrigerate for at least 1 hour to allow the custard to thicken and flavors to meld before serving.