In a bowl add egg,suger and beat until fluffy and sugar is dissolve then add vanilla essance and mix.now gradually add flour and gentelly fold it and add oil and mix and now add milk and mixed. now divide it into equal part in one part add coco powder and mix and in second part add yellow food colour and mix.now take a non-stick turn on flame and on a pan put 1 tsp oil and spread it on pan.

First put chocolate mixture then second put vanilla now repeat this process and with the tooth pick make flower design and cook for 5 to 7 minutes until cake is cook put tooth pick in it.and it become out clean its mean it cook turn side of cake and cook it for 30 second now cake is ready cool it and enjoy...