You need a lot of cake for this, and much will end up as scrap – good to eat with sips of tea for an awfully long time. Still the thing itself is a work of naive art.
Grease and flour well the tins and basin, particularly the latter as the shape needs to be intact when you take the cake out.
With a small electric beater, beat all the cake ingredients until they are well mixed. When the mixture is the right consistency, it should drop down slowly from a spoon.
Pour into the tins and basin and bake at 375°F, 190°C, gas