Roughly break the biscuit in pieces and put it in a mixer grind it to powder along with sugar.

Take a bowl add milk, vanilla essence, baking powder and dryfruits mix properly add biscuit powder and mix gently.Now take a baking tin 6''grease it with butter pour the cake mixture in tin and tap it so there is no air bubble.Put it in microwave and bake for 10min.Check in middle of it is done.You can increase the time if it is not done.Take it out from microwave and let be cool.

Oreo biscuit cake is ready.