Preheat your oven to 200C/180C Fan/Gas 6 and line a Swiss roll tin, 22x32cm/8½x13in or similar, with baking parchment. Oil this very lightly with sunflower oil. Put the ice cream in a large bowl ...

For the flourless chocolate sponge, heat the oven to 190ºC. Line a large, flat baking tray with baking parchment. Whisk the yolks and sugar to make a sabayon (pale and volumised). Sift the cocoa ...

Alternatively, try a festive baked alaska that uses up leftover Christmas cake ... arctic roll and clotted cream & raspberry ripple arctic roll. 17. Blue lagoon An ice-cold, cherry-topped blue ...