In a container beat butter and sugar till fluffy, the add eggs one by one, add the flour and baking powder and then beat.

Divide the batter by two then add Cocoa powder to one and leave the other one plain.

In the container you put the plain mixture first then the mixture with cocoa or vice versal, or you put the plain mixture on one side the cocoa mixture on the other side.

You can also use toothpicks to design if you like

Pre heat oven and bake

Take with tea or cold drink