Take a bowl and sift the flour and baking powder and set aside.
Now take another bowl and add eggs in it. Add vanilla essence, sugar and salt. Mix with beater until it becomes a soft peak.
Then add oil and milk and mix well.
Add flour gradually and mix the batter gently with specula.
Now divide the batter in two bowls.Mix the coco powder in one bowl and mix it.
Take a round cake mold and grease with oil and put the butter paper on it.
Pour the half quantity of vanilla mixture then add chocolate mixture, and then again pour the vanilla mixture. Take a baking stick and create the design whatever you want.
Bake in 180C preheated oven for 35- 40 minutes or until done.
Delicious marble cake is ready to serve.
