In a bowl, take the soft butter along with brown sugar and sugar. Cream well.
Then, add the flour, cocoa powder, baking powder, baking soda, salt and mix well.
Add the Semi Sweet Chocolate Chip and milk and mix well.
Refrigerate for 30 mins.
Pre-heat the oven at 180 C.
On a lined baking tray, scoop out small balls, flatten the top and place the dark chocolate chip on all cookies.
Bake for 10 mins or till done. Do not bake for more than 15 mins in total.
The cookies will harden once it cools down.