Grease and line 3 x 20cm/8in round cake tins. For the chocolate sponge, mix together the flour, cocoa, bicarbonate of soda and baking powder in a mixing bowl. Stir in the sugars, orange zest and ...

This super soft and fluffy cake can be made with just a handful of ingredients ... and bake it for 30 min at 180° with only lower rods on if using an oven. 7. Tip: Use this sponge to make layered ...