For the fillings, split the trifle sponges and spread generously with the apricot jam. Sandwich together and ... sprinkle over the sponge and crumbled biscuits. Level the surface by pressing ...

Boil the lemon zest, juice and sugar to a thick syrup with the vanilla pod. Cool and scrape the vanilla seeds into the mixture. Whisk the cream and fold in the liqueur and lemon mixture. Spoon ...