Prepare the tins

• Grease and line the loose-bottom cake tins.

Weigh the dry ingredients

• Weigh the caster sugar into a bowl.
• Weigh the self-raising flour and cocoa powder into another bowl.

Add the eggs and butter

• Crack the eggs into the bowl.
• Add the softened butter.

Beat the batter

• Beat everything together until smooth and glossy, like a chocolate mousse.

Fill the tins

• Divide the batter evenly between the prepared tins.

Bake

• Bake in the preheated oven until a skewer comes out clean.