Mix butter,sugar,flour,Choco powder, vanilla essence,baking powder,egg and milk one by one and whisk it nicely for 10 -15 minutes.

Before tht preheat the cooker without lid rubber and whistle,place some salt or sand and cover it with steel plate,and place a stand over it.

Grease the cake tray with butter and pour the mixture in it,place the tray slowly in preheating cooker and close the lid without rubber and whistle.

Let it cook for 50 minutes in low flame, and prepare for Choco icing..

Mix 1tbsp of each sugar butter and cocoa powder and whisk it,it will become creamy texture..

After 50 minutes open the lid,and test with a knife by inserting it slowly into the cake,if there is no sticky thing,then the cake is ready,,let it cool for 10 minutes in room temperature and place cocoa topping over it and enjoy your cake.

Optional--u can use dry nuts for toppings