In a bowl, the soft butter, and sugar. Cream till it turns fluffy.
Add the flour along with the baking powder, baking soda and mix well.
You can crumble the whole mixture with your palm.
Once it is all mixed in, you can add the cocoa powder and mix well.
Add milk slowly until the dough holds the shape.
Once the dough can hold its shape, make small balls and flatten them on a parchment papered baking tray.
Preheat the oven at 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.