In a mug put Flour, Sugar, Baking powder & Cocoa powder and mix well.
Now add Milk & Oil and give a good mix to combine everything well.
Add roughly broken chocolate to the batter and push them on the batter.
Place the mug in the centre of the microwave and cook for 1 minute in medium high. You might need to check at 45 seconds as every microwave oven is bit different in terms of heat.
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