1For the cake, preheat the oven to 180C/160C/Gas 4. Grease 2 x 1L ovenproof pudding basins. Line the bases with baking paper.
2 Sift the self raising flour, baking powder and cocoa powder into a bowl. Add the caster sugar, 175g butter, 3 eggs and milk, then beat for 3 mins with an electric hand- whisk. Divide the mixture between the basins and bake for 40-45 mins or until a skewer inserted into each cake comes out clean.
3Meanwhile, prepare the biscuits. Sift the plain flour, ground spices and bicarbonate of soda into a bowl, then rub in the 125g butter until it resembles breadcrumbs.
4Add the brown sugar, golden syrup and egg, then mix to a stiff dough. Roll out on a lightly floured surface to 3mm thick. Cut into card shapes. Line 2 baking trays with baking paper and lay the biscuits on them, with room to spread.
5Remove the cakes from the oven then allow to cool in the tins for at least 10 mins.
6Turn up the oven to 190C/170C Fan/Gas 5. Bake the biscuits for 15 mins, then cool on the trays for 10 mins and transfer to a wire rack.
7Turn out the cakes, peel off the baking paper and trim the base of each one slightly, so it’s flat. When cooled, position one cake upside down on a serving plate and use the Nutella to stick the other on top of it, base to base, to form the rounded shape of the teapot.
8Spread the mallow icing all over the top and sides of the cake. Knead the 2 packs of blue icing together until soft,
then roll out on a floured surface. Smooth over the cake and trim off any excess.
9Cut a handle and spout from card and cover with foil. Brush with jam, cover with blue icing and push into the cake. Cut a long strip of icing and stick to the top of the teapot with jam to form a rim.
10Create branches from thin strands of green icing and stick on the teapot. Add green icing leaves, and thin, flat strips of red icing rolled into spirals for roses.
11Knead then roll out the white icing into a thin sheet, cut into rectangles the size of the cards, then stick onto the biscuits with jam. Roll out the red and black icing, make card symbols, faces, arms and feet, then stick on.
12Arrange the biscuit cards to look like they’re flying out of the teapot, then serve.