Add Oreo biscuits to a microwave-safe mug.
Pour some warm milk into the mug.
Crush the biscuits using a spoon.
Add ENO or baking soda and baking powder to the mug. Mix well to make a paste.
Place one Oreo biscuit in the centre and dip it inside the paste.
Put the mug in the microwave for 1.5 - 2 minutes.
Add some fresh cream on top and enjoy the delightful Oreo Mug cake.