In a bowl, take the soft butter, and sugar. Cream till it turns fluffy.
Add the flour and baking powder, baking soda nutmeg powder, and mix well.
You can crumble the whole mixture with your palm.
Next, add the cocoa powder and mix everything.
Add milk slowly until the dough holds the shape.
Finally, add the roughly chopped dark chocolate chunks and mix well.
Once the dough can hold its shape, make small balls and flatten them on a parchment-papered baking tray.
Preheat the oven to 160 for 40 minutes.
Turn the cookies to the other side and again bake for 10 minutes at 160C
Allow it to cool down before storing.