Grease round baking mould and dust with all purpose flour
Preheat oven at 180°
Sieve dry ingredients
Mix sugar and curd till sugar dissolves.
Add dry ingredients in batches and mix it with cut and fold method.
Add essence and oil in it and mix.
Transfer this batter in a baking mould and bake it for 20-25 minutes.
Cool it in wire rack
Make custard as per instructions
Add cornflour also with custard powder.
Divide custard in two parts.
In one add yellow colour and mix.
In another add cocoa powder and mix it nicely.
First demould the cake and again put it in mould.
Pour one spoon plain custard on the cake in center than pour cocoa flavor custard one spoon over it.
Like this pour custard till finish.
Make pattern with toothpick.
Keep this in fridge for an hour to set.Cut in pieces and enjoy chocolate custard cake