Freezing Irish Cream Tiramisu

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Nigella's Irish Cream Tiramisu (from Nigella Express and on the Nigella website) is a tiramisu made with a whiskey-based Irish cream liqueur rather than the usual rum. It should be possible to freeze the assembled tiramisu, providing a full fat mascarpone is used, and not a reduced fat version.

To freeze the tiramisu, wrap the dish tightly in a double layer of clingfilm (plastic wrap) and a layer of foil and freeze for up to 3 months. Thaw the tiramisu in the fridge overnight and consume within 3 days.