1. Grind all the biscuits in mixer n make a fine powder.
2. Mix sugar n baking powder n sieve it together.
3. Take a big mixing bowl n combine biscuits mixture with oil n milk. The batter should not be too thick. If needed can add bit of milk more.
4. Grease the baking dish or a micro proof dish n place this batter in it. Now on micro mode bake this cake for only 5 mins. Let it cool down demould it n your easy n quick instant cake is ready to serve