Blueberry Limoncello Trifle

packet- trifle sponges or pound cake

tbsp- Limoncello or other lemon flavoured liqueur

cups- passion fruit and lime curd or lemon curd (prepared)

cups- whipping cream (divided)

tbsp.- sugar (divided)

tsp.-vanilla essence

gr- blueberries

white chocolate for decoration

lemon zest for decoration