In the Microwave Safe mug, take the flour, sugar, cocoa powder and Baking soda.

Fluff together to mix everything properly. Then add the milk and combine.

Now add the cooking oil. Finally, add the dark chocolate chip and combine. If you feel the batter needs a little more liquid, add a few more drops of milk.

Microwave for a minute. Let it rest for a few minutes to cool down I microwave again for 20 sec, however, I felt the cake was done after a minute itself.

Dust the icing sugar on top and dig in.