Grind biscuits into powdered form using a mixer
To this add powdered sugar and baking powder,Mix well.
Now add milk.Transfer this again to mixer and blend it well
Line butter on a round bowl and pour all the blended mix into this
Bake for 15 minutes in a preheated oven.
Let it cool atleast for 30 minutes.Our cake is ready and make Kitkat bars into powdered form and decorate cake with this.
For Better Results,Consume after 2 hours of refrigeration.Yummy Oreo Cake Ready!