Ensure that the greaseproof paper comes above the tin by about 9cm/3in so the top of the cake doesn’t burn. For the 30cm/12in tier, cream the butter and sugar together in a bowl until well combined.

I’ve given excessive quantities of marzipan and fondant icing, as it’s best to start with more than you need, especially for beginners. Equipment and preparation: For this cake you’ll need ...