Firstly take a baking tin and grease the tin with oil and keep it aside.
Take cooker and remove its wishtle and ring. Add thin layer of salt at the base. And close the lid and preheat the cooker on medium heat.
For the cake.. Now seive the dry ingredients maida, cocoa powder, coffee powder, baking powder, baking soda and mix well.
Add sugar, oil, butter, vanilla essence, Venigar, milk and mix well. Now pour the batter into the baking tin. Tap the tin to remove the air bubbles if any.
Now place the cake tin preheated cooker and close the lid and bake on medium heat for about 30-35minuts..
