Instructions

1. First combine cornflour, flour, baking powder well and set aside.
2. Whisk egg whites with sugar for few minutes, then add oil , milk  and whisk again.
3. Add in flour mixture and whisk to combine and make cake batter.  Finally add chocolate essence, scrumbled oreo cookies and mix again.
4. Pour the batter to pre buttered paper cake tin.
5. Pre heat oven and bake the cake at 170 c for 25-30 minutes.
6. Cool and serve. Or
7. Slice the cake from center using a knife, spread some cream on one side of sliced cake and place top of cake back on cream and cover the whole cake with whipped cream.
8. Now with powdered oreo cover around the cake.
9. Mix cocoa powder with a cup of whipped cream. And design as you desire using a piping bag. Decorate cake with oreo cookies and serve.