In a blender, crush the Oreo cookies to a fine powder. Now add milk, sugar, baking powder and baking soda and blend well. Adjust the quantity of milk in a way it is of pouring consistency.

Now, take a microwave-safe bowl and pour the mixture on it. Microwave on high for 4-5 minutes or till a knife inserted in the middle of the cake, comes out clean.

Take it out of the dish carefully, place on a platter and pour chocolate ganache, whipped cream or garnish with chopped nuts.