Ingredients 250 gm: Butter 250 gm: Sugar 225 gm: Flour 25 gm: Cocoa powder 5 gm: Baking powder 5 no: Eggs Method Mix cream butter and sugar. Add eggs little by little and continue mixing till very fluffy. Separate 1/5 of the mix and mix with the cocoa powder. Add the flour and baking powder to 4/5 of the remaining mixture and mix. Put the mixture (white part) in a round cake tin. Put the cocoa mixture in streaks and marble it with the help of a stick or fork. Bake the cake at 180-degree C for 30 min.